CSES - Putka Open 2020 – 4/5 - Results
Submission details
Task:Ruudukko
Sender:Lieska
Submission time:2020-11-08 21:27:42 +0200
Language:C++ (C++11)
Status:READY
Result:5
Feedback
groupverdictscore
#1ACCEPTED5
#20
#30
#40
#50
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 5details
#20.01 s2, 5details
#30.01 s3, 5details
#40.01 s4, 5details
#50.01 s5details
#60.01 s5details
#70.01 s2, 5details
#80.01 s2, 5details
#90.01 s3, 5details
#100.01 s3, 5details
#110.01 s3, 5details
#120.01 s3, 5details
#130.01 s4, 5details
#140.01 s5details
#150.01 s3, 5details
#160.01 s5details

Compiler report

input/code.cpp: In function 'void test()':
input/code.cpp:91:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i=0; i<ans.size(); ++i){
                               ~^~~~~~~~~~~
input/code.cpp:96:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i=0; i<ans.size(); ++i){
                               ~^~~~~~~~~~~
input/code.cpp:149:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i=0; i<ans.size(); ++i){
                               ~^~~~~~~~~~~
input/code.cpp:154:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int i=0; i<ans.size(); ++i){
                               ~^~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;

#define PB push_back

void test(){
    int n, m, y1, x1, y2, x2;
    cin >> n >> m >> y1 >> x1 >> y2 >> x2;
    if (n==1){
        if (x1==1 && x2==m){
            cout << "YES\n";
            for (int i=1; i<m; ++i) cout << 'R';
            cout << "\n";
        }
        else if (x1==m && x2==1){
            cout << "YES\n";
            for (int i=1; i<m; ++i) cout << 'L';
            cout << "\n";
        }
        else cout << "NO\n";
        return;
    }
    if (n==2){
        if ((abs(x2-x1)+abs(y2-y1))%2==0) {
            cout << "NO\n";
            return;
        }
        if (x1==x2){
            if (x1==1){
                cout << "YES\n";
                for (int i=1; i<m; ++i){
                    cout << "R";
                }
                if (y1==1) cout << "D";
                else cout << "U";
                for (int i=1; i<m; ++i){
                    cout << "L";
                }
                cout << "\n";
            }
            else if (x1==m){
                cout << "YES\n";
                for (int i=1; i<m; ++i){
                    cout << "L";
                }
                if (y1==1) cout << "D";
                else cout << "U";
                for (int i=1; i<m; ++i){
                    cout << "R";
                }
                cout << "\n";
            }
            else{
                cout << "NO\n";
            }
        }
        else if (y1==y2){
            int a=0, b=0;
            if (y1==2){
                a=1;
                y1=1;
                y2=1;
            }
            if (x2>x1){
                b=1;
                swap(x1, x2);
            }
            vector<int> ans;
            for (int i=1; i<x1; ++i){
                ans.PB(3);
            }
            ans.PB(2);
            for (int i=1; i<x1; ++i){
                ans.PB(1);
            }
            for (int i=x1+1; i<x2; i+=2){
                ans.PB(1);
                ans.PB(0);
                ans.PB(1);
                ans.PB(2);
            }
            for (int i=x2; i<=m; ++i){
                ans.PB(1);
            }
            ans.PB(0);
            for (int i=m; i>x2; --i){
                ans.PB(3);
            }
            if (b){
                reverse(ans.begin(), ans.end());
                for (int i=0; i<ans.size(); ++i){
                    ans[i]=(ans[i]+2)%4;
                }
            }
            if (a){
                for (int i=0; i<ans.size(); ++i){
                    if (ans[i]%2==0){
                        ans[i]=(ans[i]+2)%4;
                    }
                }
            }
            cout << "YES\n";
            for (auto u:ans){
                if (u==0) cout << "U";
                if (u==1) cout << "R";
                if (u==2) cout << "D";
                if (u==3) cout << "L";
            }
            cout << "\n";
        }
        else{
            vector<int> ans;
            int a=0, b=0;
            if (x1>x2){
                b=1;
                swap(x1, x2);
                swap(y1, y2);
            }
            if (y1==2){
                a=1;
                y1=1;
                y2=2;
            }
            for (int i=x1-1; i>=1; --i){
                ans.PB(3);
            }
            ans.PB(2);
            for (int i=1; i<=x1-1; ++i){
                ans.PB(1);
            }
            for (int i=1; i<=(x2-x1)/2-1; i++){
                ans.PB(1);
                ans.PB(0);
                ans.PB(1);
                ans.PB(2);
            }
            ans.PB(1);
            ans.PB(0);
            ans.PB(1);
            for (int i=x2; i<=m-1; ++i){
                ans.PB(1);
            }
            ans.PB(2);
            for (int i=m; i>=x2+1; --i){
                ans.PB(3);
            }
            if (b){
                reverse(ans.begin(), ans.end());
                for (int i=0; i<ans.size(); ++i){
                    ans[i]=(ans[i]+2)%4;
                }
            }
            if (a){
                for (int i=0; i<ans.size(); ++i){
                    if (ans[i]%2==0){
                        ans[i]=(ans[i]+2)%4;
                    }
                }
            }
            cout << "YES\n";
            for (auto u:ans){
                if (u==0) cout << "U";
                if (u==1) cout << "R";
                if (u==2) cout << "D";
                if (u==3) cout << "L";
            }
            cout << "\n";
        }
    }
}


int main(){
    int tests;
    cin >> tests;
    while (tests--) test();
}

Test details

Test 1

Group: 1, 5

Verdict: ACCEPTED

input
100
1 45 1 45 1 1
1 18 1 1 1 10
1 47 1 17 1 30
1 33 1 28 1 20
...

correct output
YES
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

user output
YES
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
Truncated

Test 2

Group: 2, 5

Verdict:

input
100
2 43 1 33 1 21
2 2 1 1 2 2
2 32 1 1 2 8
2 14 1 12 1 14
...

correct output
NO
NO
NO
NO
YES
...

user output
NO
NO
NO
NO
YES
...
Truncated

Test 3

Group: 3, 5

Verdict:

input
100
3 4 2 1 2 4
3 38 2 24 1 22
3 29 2 23 2 3
3 8 3 1 1 2
...

correct output
NO
NO
NO
YES
RRRRRRRUULDLULDLULDLLUR
...

user output
(empty)

Test 4

Group: 4, 5

Verdict:

input
100
4 25 2 19 1 5
4 13 3 10 4 12
4 7 3 1 4 2
4 23 1 19 2 5
...

correct output
YES
DDRRRRRRULLLLLURRRRRULLLLLLLDD...

user output
(empty)

Test 5

Group: 5

Verdict:

input
100
16 8 13 1 14 8
41 21 19 11 32 12
46 17 13 7 6 11
8 41 4 32 4 12
...

correct output
NO
YES
LURULURULURULURULURRDDDDDDDDDR...

user output
YES
RRRRRRRRRRRRRDLLLLLLLLLLLLLLUL...

Test 6

Group: 5

Verdict:

input
100
31 38 18 35 31 37
35 48 7 13 21 21
46 21 25 2 4 19
35 2 13 2 35 1
...

correct output
YES
LLLLLLLLLLLLDRRRRRRRRRRRRDLLLL...

user output
NO
YES
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...
Truncated

Test 7

Group: 2, 5

Verdict:

input
100
2 4 1 3 1 4
2 4 2 2 1 1
2 4 2 3 1 2
2 4 2 3 1 4
...

correct output
YES
LLDRRRU
NO
NO
NO
...

user output
YES
RDLLLLLURRR
NO
NO
NO
...
Truncated

Test 8

Group: 2, 5

Verdict:

input
100
2 5 1 2 2 4
2 5 1 2 1 1
2 5 2 1 1 2
2 5 1 1 1 5
...

correct output
YES
LDRRURRDL
YES
RRRDLLLLU
NO
...

user output
YES
LDRRURRDL
YES
LDRRRRRRULLLL
NO
...
Truncated

Test 9

Group: 3, 5

Verdict:

input
100
3 4 1 1 2 3
3 4 2 4 3 2
3 4 2 1 3 1
3 4 1 4 3 4
...

correct output
YES
DDRRRUULLDR
NO
YES
URRRDDLULDL
...

user output
(empty)

Test 10

Group: 3, 5

Verdict:

input
100
3 5 3 4 3 2
3 5 3 5 2 3
3 5 3 1 2 2
3 5 3 1 3 2
...

correct output
NO
NO
YES
UURRRRDDLULDLU
NO
...

user output
(empty)

Test 11

Group: 3, 5

Verdict:

input
100
3 8 2 8 1 2
3 8 2 4 1 7
3 8 3 4 2 7
3 8 2 5 3 1
...

correct output
NO
NO
NO
YES
LLLDRRRRURDRUULLLLLLLDD
...

user output
(empty)

Test 12

Group: 3, 5

Verdict:

input
100
3 9 1 3 2 9
3 9 1 6 1 5
3 9 3 6 2 8
3 9 3 2 3 4
...

correct output
NO
NO
NO
NO
NO
...

user output
(empty)

Test 13

Group: 4, 5

Verdict:

input
100
4 4 2 2 1 4
4 4 4 1 2 2
4 4 2 1 4 3
4 4 3 1 3 3
...

correct output
YES
DDLUUURRDDDRUUU
YES
UUURRRDLDRDLLUU
NO
...

user output
(empty)

Test 14

Group: 5

Verdict:

input
100
12 27 6 22 1 8
6 25 3 2 4 4
6 16 4 6 5 2
36 33 8 6 1 6
...

correct output
YES
DLDDDDDRUUUURDDDDRUURDDRRULURU...

user output
(empty)

Test 15

Group: 3, 5

Verdict:

input
100
3 12 3 5 1 4
3 20 3 19 2 19
3 34 3 9 2 9
3 38 2 15 3 15
...

correct output
YES
RRRRRRRUULDLULDLULDLULDLDLULDL...

user output
(empty)

Test 16

Group: 5

Verdict:

input
100
50 50 29 1 16 21
50 50 37 5 23 48
50 50 32 22 45 24
50 50 6 28 12 37
...

correct output
YES
DDDDDDDDDDDDDDDDDDDDDRUUUUUUUU...

user output
(empty)