Submission details
Task:Tontti
Sender:jokkebk
Submission time:2015-09-28 14:20:53 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED14
#2ACCEPTED33
#3ACCEPTED53
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.07 s2details
#7ACCEPTED0.07 s2details
#8ACCEPTED0.09 s2details
#9ACCEPTED0.07 s2details
#10ACCEPTED0.08 s2details
#11ACCEPTED0.56 s3details
#12ACCEPTED0.60 s3details
#13ACCEPTED0.55 s3details
#14ACCEPTED0.54 s3details
#15ACCEPTED0.53 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:41:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     S(n); S(m); S(x);
         ^
input/code.cpp:41:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     S(n); S(m); S(x);
               ^
input/code.cpp:41:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     S(n); S(m); S(x);
                     ^

Code

#include <iostream>
#include <vector>

using namespace std;

#define REP(n) for(__typeof(n) _i=0; _i<(n); ++_i)
#define FOR(i,a,b) for(__typeof(b) i=a; i<b; ++i)
#define FORE(i,a,b) for(__typeof(b) i=a; i<=b; ++i)
#define S(x) scanf("%d", &(x))

typedef long long LL;

#define MAX(a,b) ((a)<(b) ? (b) : (a))

int s[2001][2001];
char f[2000][2000];

// How many trees in k*k square where bottom right is (i,j)
int trees(int i, int j, int k, int na) {
    int x=i-k, y=j-k;
    if(x<0 || y<0) return na;
    return s[i][j] - s[i][y] - s[x][j] + s[x][y];
}

int bin(int i, int j, int x) {
    int l=0, h=2047;

    for(int s=1024; s; s>>=1) {
        if(trees(i,j,l+s, x+1) < x)
            l += s;
        if(trees(i,j,h-s, x+1) > x)
            h -= s;
    }
    //cout << l << " and " << h << endl;
    return l==h ? 0 : h-l-1;
}

int main() {
    int n, m, x;

    S(n); S(m); S(x);
    FOR(i,0,n) cin >> f[i];

    FORE(i,0,n) {
        FORE(j,0,m) {
            if(!i || !j) {
                s[i][j] = 0;
            } else {
                s[i][j] = (f[i-1][j-1] == '*' ? 1 : 0) +
                    s[i-1][j] + s[i][j-1] - s[i-1][j-1];
            }
        }
    }

    int I = 0;
    FORE(i,1,n) {
        FORE(j,1,m) {
            //cout << i << ", " << j << " = " << bin(i,j,x) << endl;
            I += bin(i,j,x);
        }
    }

    cout << I << endl;

    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 10 1
......*...
.......*..
*..*....*.
*....*....
...

correct output
94

user output
94

Test 2

Group: 1

Verdict: ACCEPTED

input
10 10 5
**********
**********
**********
**********
...

correct output
0

user output
0

Test 3

Group: 1

Verdict: ACCEPTED

input
10 10 10
**...*...*
*..*.**.*.
...**.*..*
*...**.*..
...

correct output
4

user output
4

Test 4

Group: 1

Verdict: ACCEPTED

input
10 10 5
****......
*.*.**..**
....*.*..*
...*.***..
...

correct output
16

user output
16

Test 5

Group: 1

Verdict: ACCEPTED

input
10 10 2
**.***..*.
...*.*....
.***.*...*
***.***..*
...

correct output
30

user output
30

Test 6

Group: 2

Verdict: ACCEPTED

input
500 500 1
.................................

correct output
9552040

user output
9552040

Test 7

Group: 2

Verdict: ACCEPTED

input
500 500 5
.................................

correct output
1536063

user output
1536063

Test 8

Group: 2

Verdict: ACCEPTED

input
500 500 25000
**...*...**..*.*..*.**.*..*.*....

correct output
288

user output
288

Test 9

Group: 2

Verdict: ACCEPTED

input
500 500 12500
**.**.*..*...*.**...*.***........

correct output
786

user output
786

Test 10

Group: 2

Verdict: ACCEPTED

input
500 500 5000
.*.*.**..*.*.**.**..*..**...*....

correct output
1763

user output
1763

Test 11

Group: 3

Verdict: ACCEPTED

input
2000 2000 1
.................................

correct output
489611392

user output
489611392

Test 12

Group: 3

Verdict: ACCEPTED

input
2000 2000 5
.................................

correct output
120725884

user output
120725884

Test 13

Group: 3

Verdict: ACCEPTED

input
2000 2000 400000
..*..**.**.**.*.***...**.*..**...

correct output
1849

user output
1849

Test 14

Group: 3

Verdict: ACCEPTED

input
2000 2000 200000
***.*....*.*..*....**..*..*.*....

correct output
2665

user output
2665

Test 15

Group: 3

Verdict: ACCEPTED

input
2000 2000 80000
**.**...*.***.**....**.*....*....

correct output
5587

user output
5587