Submission #962234

#	Time	Username	Problem	Language	Result	Execution time	Memory
962234		serkanrashid	Wombats (IOI13_wombats)	C++14	55 / 100	20026 ms	32400 KiB

wombats

#include "wombats.h"
#include <bits/stdc++.h>

using namespace std;

int r,c;
int h[5000][200],v[5000][200];
unsigned int inf = -1;
long long d[5000][200];
int sum;

void changeH(int P, int Q, int W)
{
    h[P][Q] = W;
}

void changeV(int P, int Q, int W)
{
    sum -= v[P][Q];
    v[P][Q] = W;
    sum += W;
}

int escape(int V1, int V2)
{
    if(c==1) return sum;
    for(int i = 0; i < r; i++)
    {
        for(int j = 0; j < c; j++) d[i][j] = inf;
    }
    d[0][V1] = 0;
    for(int i = 0; i < r-1; i++)
    {
        for(int j = 1; j < c; j++) d[i][j] = min(d[i][j],d[i][j-1]+h[i][j-1]);
        for(int j = c-2; j >= 0; j--) d[i][j] = min(d[i][j],d[i][j+1]+h[i][j]);
        for(int j = 0; j < c; j++) d[i+1][j] = min(d[i+1][j],d[i][j]+v[i][j]);
    }
    int i = r-1;
    for(int j = 1; j < c; j++) d[i][j] = min(d[i][j],d[i][j-1]+h[i][j-1]);
    for(int j = c-2; j >= 0; j--) d[i][j] = min(d[i][j],d[i][j+1]+h[i][j]);
    int pom = d[r-1][V2];
    return pom;
}

void init(int R, int C, int H[5000][200], int V[5000][200])
{
    r = R;
    c = C;
    for(int i=0;i<R;i++)
        for(int j=0;j<C-1;j++) h[i][j] = H[i][j];

    for(int i=0;i<R-1;i++)
        for(int j=0;j<C;j++)
        {
            v[i][j] = V[i][j];
            sum += v[i][j];
        }

}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24