#include<stdio.h> #define ll long long int main() { int n,m,q,x1,y1,x2,y2; scanf("%d %d %d",&n,&m,&q); ll a[n+1][m+1],sum[n+1][m+1]; for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) scanf("%lld",&a[i][j]); for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) sum[i][j]=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1]+a[i][j]; while(q) { scanf("%d %d %d %d",&x1,&y1,&x2,&y2); printf("%lld\n",sum[x2][y2]-sum[x2][y1-1]-sum[x1-1][y2]+sum[x1-1][y1-1]); q--; } return 0; }