#include #define FOR(v, a, b) for(int v = (a); v < (b); ++v) #define FORE(v, a, b) for(int v = (a); v <= (b); ++v) #define REP(v, n) FOR(v, 0, n) #define REPE(v, n) FORE(v, 0, n) #define REV(v, a, b) for(int v = (a); v >= (b); --v) #define ALL(x) (x).begin(), (x).end() #define LLI long long int using namespace std; template using V = vector; template using P = pair; template void join(ostream &ost, I s, I t, string d=" "){for(auto i=s; i!=t; ++i){if(i!=s)ost< class Accum2D{ public: vector> accum; Accum2D(vector> &vv){ int d1 = vv.size(), d2 = vv[0].size(); accum = vector>(d1+1, vector(d2+1)); REP(i,d1) REP(j,d2) accum[i+1][j+1] = vv[i][j]; FORE(i,1,d1) REPE(j,d2) accum[i][j] += accum[i-1][j]; REPE(i,d1) FORE(j,1,d2) accum[i][j] += accum[i][j-1]; } // 1-indexed T sum(int x1, int y1, int x2, int y2){ return accum[x2][y2] - accum[x1-1][y2] - accum[x2][y1-1] + accum[x1-1][y1-1]; } }; int main(){ cin.tie(0); ios::sync_with_stdio(false); int n,m; cin >> n >> m; vector> a(m, vector(m)); REP(i,m) REP(j,m) cin >> a[i][j]; Accum2D acc(a); REP(_,n){ int x,y; cin >> x >> y; int ans = 0; FORE(x1,1,x) FORE(y1,1,y) FORE(x2,x,m) FORE(y2,y,m){ if(acc.sum(x1,y1,x2,y2) == 0) ++ans; } cout << ans << endl; } return 0; }