#include<stdio.h> #include <iostream> void main() { int s[100][100],n = 0,m,t,temp,i,j,k; scanf("%d",&t); while(n < t) { scanf("%d",&m); memset(s, 0, sizeof(s)); for(i = 1;i <= m;i ++) for(j = 1;j <= m;j ++) { scanf("%d",&temp); s[i][j] = s[i][j - 1] + temp; } int max = -100000; for(i = 1;i <= m;i ++) for(j = 1;j <= m;j ++) { int sum = 0; for(k = 1;k <= m;k ++) { if(sum < 0) sum = 0; sum += s[k][j] - s[k][i]; if(sum > max) max = sum; } } printf("%d\n",max); n ++; } } /* Main.c:2:20: fatal error: iostream: No such file or directory #include <iostream> ^ compilation terminated. */ |
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