#include using namespace std; typedef long long ll; typedef pair p_ll; template void debug(T itr1, T itr2) { auto now = itr1; while(now=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a> N >> M; ll A[M][M]; rep(i,M) rep(j,M) cin >> A[i][j]; ll sa[M+1][M+1] = {}; rep(i,M) rep(j,M) sa[i+1][j+1] = sa[i][j+1] +sa[i+1][j] - sa[i][j] + A[i][j]; // rep(i,M+1) debug(sa[i],sa[i]+M+1); ll x[N], y[N]; rep(i,N) { cin >> x[i] >> y[i]; x[i]--; y[i]--; } rep(i,N) { ll result = 0; rep(lx,x[i]+1) rep(ly,y[i]+1) repr(rx,x[i],M) repr(ry,y[i],M) { ll sum = sa[lx][ly] - sa[rx+1][ly] - sa[lx][ry+1] + sa[rx+1][ry+1]; result += sum==0; } cout << result << endl; } // cout << result << endl; return 0; }