CSES - Putka Open 2015 – 6/6 - Results
Submission details
Task:Shakki
Sender:
Submission time:2015-12-04 20:48:13 +0200
Language:C++
Status:READY
Result:0
Feedback
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Test results
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Code

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef long double ld;

string s[10];
string ss[10];
vector<pair<int, int> > v;
void pr(){
    for (int i=0;i<8;i++){
        cout<<s[i]<<endl;
    }
    cout<<endl;
}

void turn(int y, int x){
    assert(y>=0);
    assert(x>=0);
    assert(y<7);
    assert(x<7);
    v.push_back({x+1, y+1});
    char t=s[y][x];
    s[y][x]=s[y+1][x];
    s[y+1][x]=s[y+1][x+1];
    s[y+1][x+1]=s[y][x+1];
    s[y][x+1]=t;
}

int checkh(int y){
    int c=0;
    for (int i=0;i<=y;i++){
        for (int j=0;j<8;j++){
            if (s[i][j]=='M') c++;
            else c--;
        }
    }
    return c;
}

int checkv(int x){
    int c=0;
    for (int i=0;i<=x;i++){
        for (int j=0;j<8;j++){
            if (s[j][i]=='M') c++;
            else c--;
        }
    }
    return c;
}

int asd(){
    for (int i=0;i<7;i++){
        for (int ii=0;ii<7;ii++){
            if (s[i][ii]=='V'&&s[i][ii+1]=='V'&&s[i+1][ii]=='M'&&s[i+1][ii+1]=='M'){
                if (checkh(i)<=-4){
                    turn(i, ii);
                    turn(i, ii);
                    return 1;
                }
            }
            if (s[i][ii]=='M'&&s[i][ii+1]=='M'&&s[i+1][ii]=='V'&&s[i+1][ii+1]=='V'){
                if (checkh(i)>=4){
                    turn(i, ii);
                    turn(i, ii);
                    return 1;
                }
            }
        }
    }
    for (int i=0;i<7;i++){
        for (int ii=0;ii<7;ii++){
            if (s[i][ii]=='V'&&s[i][ii+1]=='M'&&s[i+1][ii]=='V'&&s[i+1][ii+1]=='M'){
                if (checkv(ii)<=-4){
                    turn(i, ii);
                    turn(i, ii);
                    return 1;
                }
            }
            if (s[i][ii]=='M'&&s[i][ii+1]=='V'&&s[i+1][ii]=='M'&&s[i+1][ii+1]=='V'){
                if (checkv(ii)>=4){
                    turn(i, ii);
                    turn(i, ii);
                    return 1;
                }
            }
        }
    }
    return 0;
    for (int i=0;i<7;i++){
        for (int ii=0;ii<7;ii++){
            // VV
            // VM
            int ts=-1;
            if (s[i][ii]=='V'&&s[i][ii+1]=='V'&&s[i+1][ii]=='V'&&s[i+1][ii+1]=='M'){
                ts=0;
            }
            // VV
            // MV
            if (s[i][ii]=='V'&&s[i][ii+1]=='V'&&s[i+1][ii]=='M'&&s[i+1][ii+1]=='V'){
                ts=1;
            }
            // MV
            // VV
            if (s[i][ii]=='M'&&s[i][ii+1]=='V'&&s[i+1][ii]=='V'&&s[i+1][ii+1]=='V'){
                ts=2;
            }
            // VM
            // VV
            if (s[i][ii]=='V'&&s[i][ii+1]=='M'&&s[i+1][ii]=='V'&&s[i+1][ii+1]=='V'){
                ts=3;
            }

            if (ts>-1){
                int ns=-1;
                if (checkv(ii)<=-2) ns=1;
                if (checkh(i)<=-2) ns=2;
                if (checkv(ii)>=2) ns=3;
                if (checkh(i)>=2) ns=0;
                if (ns>-1){
                    int t=(ns-ts+4)%4;
                    if (t>0){
                        for (int j=0;j<t;j++){
                            turn(i, ii);
                        }
                        return 1;
                    }
                }
            }



            // VV
            // VM
            ts=-1;
            if (s[i][ii]!='V'&&s[i][ii+1]!='V'&&s[i+1][ii]!='V'&&s[i+1][ii+1]!='M'){
                ts=0;
            }
            // VV
            // MV
            if (s[i][ii]!='V'&&s[i][ii+1]!='V'&&s[i+1][ii]!='M'&&s[i+1][ii+1]!='V'){
                ts=1;
            }
            // MV
            // VV
            if (s[i][ii]!='M'&&s[i][ii+1]!='V'&&s[i+1][ii]!='V'&&s[i+1][ii+1]!='V'){
                ts=2;
            }
            // VM
            // VV
            if (s[i][ii]!='V'&&s[i][ii+1]!='M'&&s[i+1][ii]!='V'&&s[i+1][ii+1]!='V'){
                ts=3;
            }

            if (ts>-1){
                int ns=-1;
                if (checkv(ii)>=2) ns=1;
                if (checkh(i)>=2) ns=2;
                if (checkv(ii)<=-2) ns=3;
                if (checkh(i)<=-2) ns=0;
                if (ns>-1){
                    int t=(ns-ts+4)%4;
                    if (t>0){
                        for (int j=0;j<t;j++){
                            turn(i, ii);
                        }
                        return 1;
                    }
                }
            }
        }
    }
    return 0;
}

void up(char c, int y){
    for (int i=y;i<7;i++){
        for (int ii=0;ii<7;ii++){
            if (s[i][ii]==c&&s[i][ii+1]==c) continue;
            if (s[i][ii]!=c&&s[i][ii+1]!=c){
                if (s[i+1][ii]==c){
                    turn(i, ii);
                    return;
                }
                if (s[i+1][ii+1]==c){
                    turn(i, ii);
                    turn(i, ii);
                    return;
                }
            }
            if (s[i][ii]==c){
                if (s[i+1][ii]==c){
                    turn(i, ii);
                    return;
                }
            }
            if (s[i][ii+1]==c){
                if (s[i+1][ii]==c&&s[i+1][ii+1]==c){
                    turn(i, ii);
                    turn(i, ii);
                    return;
                }
                if (s[i+1][ii+1]==c){
                    turn(i, ii);
                    turn(i, ii);
                    turn(i, ii);
                    return;
                }
            }
        }
    }
}

void left(char c, int y, int x){
    for (int ii=x;ii<7;ii++){
        if (s[y][ii]==c&&s[y+1][ii]==c) continue;
        if (s[y][ii]!=c&&s[y+1][ii]!=c){
            if (s[y+1][ii+1]==c){
                turn(y, ii);
                return;
            }
            if (s[y+1][ii]==c){
                turn(y, ii);
                turn(y, ii);
                return;
            }
        }
        if (s[y+1][ii]==c){
            if (s[y+1][ii+1]==c){
                turn(y, ii);
                return;
            }
        }
        if (s[y][ii]==c){
            if (s[y][ii+1]==c&&s[y+1][ii+1]==c){
                turn(y, ii);
                turn(y, ii);
                return;
            }
            if (s[y][ii+1]==c){
                turn(y, ii);
                turn(y, ii);
                turn(y, ii);
                return;
            }
        }
    }
}

void gen(int t){
    for (int i=0;i<t;i++){
        int a=rand()%7;
        int b=rand()%7;
        turn(a, b);
    }
    v.clear();
}

void trs(){
    v.clear();
    for (int i=0;i<8;i++){
        s[i]=ss[i];
    }
    gen(100);
    for (int i=0;i<7;i++){
        while (1){
            int c=0;
            for (int ii=0;ii<8;ii++){
                if (s[i][ii]=='V') c++;
                else c--;
            }
            if (c==0) break;
            if (c>0){
                up('M', i);
            }
            else{
                up('V', i);
            }
        }
    }
    for (int i=0;i<8;i+=2){
        for (int ii=0;ii<7;ii++){
            while (1){
                if (s[i][ii]=='V'&&s[i+1][ii]=='V'){
                    left('M', i, ii);
                }
                else if(s[i][ii]=='M'&&s[i+1][ii]=='M'){
                    left('V', i, ii);
                }
                else{
                    break;
                }
                //cout<<i<<" "<<ii<<endl;
                //pr();
            }
        }
    }
    //pr();
    for (int i=0;i<8;i+=2){
        for (int ii=0;ii<6;ii++){
            while (1){
                if (s[i][ii]==s[i][ii+1]&&s[i][ii+1]==s[i][ii+2]){
                    turn(i, ii+1);
                    turn(i, ii+1);
                }
                else{
                    break;
                }
                //cout<<i<<" "<<ii<<endl;
                //pr();
            }
        }
    }
    //pr();
    for (int i=0;i<8;i+=2){
        for (int ii=0;ii<6;ii++){
            while (1){
                if (s[i][ii]==s[i][ii+1]){
                    for (int j=ii+1;j<7;j+=2){
                        if (s[i][j]==s[i][j+1]){
                            turn(i, j);
                            turn(i, j);
                        }
                        else{
                            turn(i, j);
                        }
                    }
                }
                else{
                    break;
                }
                //cout<<i<<" "<<ii<<endl;
                //pr();
            }
        }
    }
    for (int i=0;i<7;i++){
        for (int ii=0;ii<7;ii++){
            if (s[i][ii]==s[i][ii+1]) return;
            if (s[i][ii]==s[i+1][ii]) return;
        }
    }
    for (int i=0;i<8;i+=2){
        for (int ii=0;ii<8;ii+=2){
            if (s[i][ii]!='M') turn(i, ii);
        }
    }
    cout<<v.size()<<endl;
    for (auto vv:v){
        cout<<vv.F<<" "<<vv.S<<endl;
    }
    exit(0);
}

int main(){
    srand(time(0));
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    for (int i=0;i<8;i++){
        cin>>ss[i];
        s[i]=ss[i];
    }
    //gen(1000);
    while (1){
        trs();
    }
}

Test details

Test 1

Group: 1

Verdict:

input
VMMVVMVV
MMVVMVVV
MMVVMMMM
MVVVMVVM
MVVVVMVM
...

correct output
100000

user output
71
2 3
1 4
1 4
3 4
...

Test 2

Group: 1

Verdict:

input
MVMVVMMV
VVMMVVVV
VMMVMMVM
MVVVVMVM
MVMVMMVM
...

correct output
100000

user output
55
3 2
3 2
1 3
3 3
...

Test 3

Group: 1

Verdict:

input
VMMMVMVV
MMMVMVMV
VMMVMVVM
VVVMVMMV
MVMVMVMV
...

correct output
100000

user output
99
1 2
2 4
2 3
2 4
...

Test 4

Group: 1

Verdict:

input
VVVMVMVV
VMMVMVMM
MVVMMVMV
VMVMMVMM
MMVVMMVM
...

correct output
100000

user output
58
1 1
1 2
1 3
1 3
...

Test 5

Group: 1

Verdict:

input
MVMVVMMM
VVMMVVMV
MVVMVVMM
VMVMVMMV
MMVMVVVM
...

correct output
100000

user output
98
1 2
3 2
3 2
4 2
...

Test 6

Group: 1

Verdict:

input
VMMVMVVM
VVMMVVMM
MMMVMVVM
VMMVMMVM
MVMVMMMV
...

correct output
100000

user output
95
1 2
3 4
3 4
3 5
...

Test 7

Group: 1

Verdict:

input
MVVVVMMM
MMMMMMMM
VVVVVMMV
MMVVMVVM
VMVVVVMV
...

correct output
100000

user output
106
2 1
2 1
1 2
1 2
...

Test 8

Group: 1

Verdict:

input
VMMVMVMM
MMMVVMMM
MVVVVVVV
VVVVMMMV
MVVVMVVM
...

correct output
100000

user output
69
1 1
3 3
3 3
1 5
...

Test 9

Group: 1

Verdict:

input
VVVVVMMM
MMVVVVVV
MVVVMMMM
VVMVVVVM
VMMVMVMM
...

correct output
100000

user output
92
2 1
1 2
1 2
3 2
...

Test 10

Group: 1

Verdict:

input
VMMVMMMM
VVMVVVVV
VMMVMVMV
VMMVMVMM
VVVMMMMM
...

correct output
100000

user output
66
1 1
3 1
3 4
1 6
...

Test 11

Group: 2

Verdict:

input
VMVMVVMM
MMVMVVMM
VMVVVMMV
VVVMVMVM
VVMMVVMM
...

correct output
25000

user output
66
1 2
1 3
1 4
1 5
...

Test 12

Group: 2

Verdict:

input
MVMVVMVV
VMMVVMVM
VMVVVMMM
VMMMMVVM
MMVVVMMM
...

correct output
25000

user output
66
3 4
3 4
1 6
1 6
...

Test 13

Group: 2

Verdict:

input
MVVMMVVV
MMVVMVMM
VVVMVMVV
VMVMMMMM
MVVMMVMV
...

correct output
25000

user output
87
2 1
2 1
2 1
4 1
...

Test 14

Group: 2

Verdict:

input
VVMMMVMV
VMVVVMVV
VVMVVVMM
MVVMVMVM
MMVVMMMM
...

correct output
25000

user output
81
1 1
4 1
1 2
1 2
...

Test 15

Group: 2

Verdict:

input
MVVVMVVV
MMMMVMMM
MVMMMVVM
MMVVVMVM
VMVVVMMV
...

correct output
25000

user output
63
1 1
1 1
1 2
5 3
...

Test 16

Group: 2

Verdict:

input
VMMVMVVM
VMMVVVVV
MVMVMMVM
VMMVVVMV
VVMVMMVM
...

correct output
25000

user output
75
1 2
1 3
2 4
2 4
...

Test 17

Group: 2

Verdict:

input
MVVMMVVM
MVVVMMMV
MVVMMVVM
VMMVMVMV
VMMVMMMM
...

correct output
25000

user output
82
1 1
1 1
1 2
2 2
...

Test 18

Group: 2

Verdict:

input
MVMMVVMM
VVMMMMVV
VMVVVVVM
MVMMMVMV
VMVVVMVM
...

correct output
25000

user output
78
2 2
2 2
1 3
1 5
...

Test 19

Group: 2

Verdict:

input
MVVVVVVV
VMMVMVVM
VMVMMMMV
MVMVMMMM
MMVVVMMM
...

correct output
25000

user output
103
2 3
2 3
1 2
1 2
...

Test 20

Group: 2

Verdict:

input
MVVVMMMM
MMVMMVMV
MVVVVVMM
VVMMMVVM
VVVMVMVV
...

correct output
25000

user output
91
1 1
1 1
4 2
5 2
...

Test 21

Group: 3

Verdict:

input
VMVVMVMM
MMMMVMMV
VVVMVVVV
MVMVMVVM
VMMVMMMM
...

correct output
5000

user output
101
1 1
1 1
3 1
3 1
...

Test 22

Group: 3

Verdict:

input
VVVVVVMM
MMMVMMVV
VVVVVVMV
MMMVMVVV
MVVMMMMV
...

correct output
5000

user output
91
1 1
4 2
1 3
2 3
...

Test 23

Group: 3

Verdict:

input
MMVMVMVV
MMVVMVVM
VMMVVMVM
MMMMMMVV
MVVVVMVM
...

correct output
5000

user output
94
1 1
1 1
1 2
1 2
...

Test 24

Group: 3

Verdict:

input
MVMVVMVM
VVMVVMVM
MMMMVMVV
MVVMMVVV
MMMMMVVV
...

correct output
5000

user output
80
2 1
5 2
1 3
1 7
...

Test 25

Group: 3

Verdict:

input
MVVVMVVM
MMMMVVMV
VMMVMMVV
VVMVMVMV
MVMMMVMM
...

correct output
5000

user output
75
1 1
1 1
4 1
1 2
...

Test 26

Group: 3

Verdict:

input
VMVMVVVM
MMMVVVMM
MMVVVVVM
VVVVMMVV
VMMVVMMV
...

correct output
5000

user output
90
1 1
2 1
2 1
2 1
...

Test 27

Group: 3

Verdict:

input
MMVMMVVM
MVVVMVMV
MVVVMVVM
VMVMMMVV
VMMVVVVV
...

correct output
5000

user output
58
3 4
1 5
4 5
1 6
...

Test 28

Group: 3

Verdict:

input
MVMMVMMV
VMVMMMVV
MMMMVVMV
VVVVMMMM
MMMVMMVV
...

correct output
5000

user output
91
2 1
4 1
4 1
1 2
...

Test 29

Group: 3

Verdict:

input
VVVVMVMV
MMMVVMVM
MVVVMVMV
VVVMVVMM
VMMMMMVV
...

correct output
5000

user output
82
3 1
2 2
1 3
1 3
...

Test 30

Group: 3

Verdict:

input
MVVVMVVV
MMVVMMMM
MVVVVVVV
MVMVMMMV
VMMMVMMM
...

correct output
5000

user output
75
1 3
1 4
2 4
2 4
...

Test 31

Group: 4

Verdict:

input
MVMMVMMV
VVVMMVVV
VMMVVMMV
VVMMMVVM
VVVMMMVV
...

correct output
250

user output
78
1 2
1 5
1 5
1 6
...

Test 32

Group: 4

Verdict:

input
VVMMVVVM
VMVVMMVV
VMMMMMMV
VVMVMVVV
VMMVMVMM
...

correct output
250

user output
77
3 2
1 3
1 5
1 5
...

Test 33

Group: 4

Verdict:

input
MMVVMVMV
VVVMVMMM
VVVVMVMM
MVVMVVMV
VMMVMVVM
...

correct output
250

user output
84
2 1
3 2
3 2
3 2
...

Test 34

Group: 4

Verdict:

input
VMVMVVMV
MVVMMMMM
MMVVMMMM
VMVMVVVM
VMMMVVVM
...

correct output
250

user output
109
1 1
1 1
4 1
4 1
...

Test 35

Group: 4

Verdict:

input
VMVMVMMM
VMMVVVMM
MMVMVMMM
MVMMVVVV
VMMVMMMV
...

correct output
250

user output
127
5 1
5 1
6 1
6 1
...

Test 36

Group: 4

Verdict:

input
MVMVMVMM
MVMVMMMV
MMVVVVMM
MVMVVVVV
VMMMVVMM
...

correct output
250

user output
68
1 1
1 1
1 2
1 2
...

Test 37

Group: 4

Verdict:

input
VMMMMVMM
VVMMMVMV
VMVVVVVV
MVMMMVVM
VMVMMVVM
...

correct output
250

user output
84
1 1
4 2
4 2
4 2
...

Test 38

Group: 4

Verdict:

input
VMMVMVMV
VVMVMVMM
MMMVMVMM
MVVVVMMM
MMVVVMVV
...

correct output
250

user output
116
1 1
1 1
1 1
2 2
...

Test 39

Group: 4

Verdict:

input
MMMMMVMV
MVVMMMMV
VMVVVVMM
VMVVVMMV
MVMMMVMM
...

correct output
250

user output
71
1 3
2 4
4 4
4 4
...

Test 40

Group: 4

Verdict:

input
VMMMMMMV
VMMVVVVV
MVMMVMMV
MVVVVMMV
MVVVVMMM
...

correct output
250

user output
81
2 4
4 4
1 5
1 5
...