#include #define int long long int using namespace std; int H, W, Q; char S[514][514]; int A[10010], B[10010], C[10010], D[10010]; int c[4][514][514], cw[4][514][514], cww[4][514][514], w[4][514][514]; int ans[10010]; signed main() { cin >> H >> W; for(int i = 1; i <= H; i++){ for(int j = 1; j <= W; j++){ cin >> S[i][j]; } } cin >> Q; for(int i = 1; i <= Q; i++){ cin >> A[i] >> B[i] >> C[i] >> D[i]; } for(int i = 1; i <= H; i++){ for(int j = 1; j <= W; j++){ if(S[i][j] == 'c'){ c[0][i][j] = c[0][i][j - 1] + 1; cw[0][i][j] = cw[0][i][j - 1]; cww[0][i][j] = cww[0][i][j - 1]; w[0][i][j] = w[0][i][j - 1]; } if(S[i][j] == 'w'){ c[0][i][j] = c[0][i][j - 1]; cw[0][i][j] = cw[0][i][j - 1] + c[0][i][j - 1]; cww[0][i][j] = cww[0][i][j - 1] + cw[0][i][j - 1]; w[0][i][j] = w[0][i][j - 1] + 1; } } } for(int i = 1; i <= Q; i++){ for(int j = A[i]; j <= C[i]; j++){ ans[i] += cww[0][j][D[i]] - cww[0][j][B[i] - 1] - cw[0][j][B[i] - 1] * (w[0][j][D[i]] - w[0][j][B[i] - 1]) - c[0][j][B[i] - 1] * ((w[0][j][D[i]] - w[0][j][B[i] - 1] - 1) * (w[0][j][D[i]] - w[0][j][B[i] - 1]) / 2); } } for(int i = 1; i <= H; i++){ for(int j = W; j >= 1; j--){ if(S[i][j] == 'c'){ c[1][i][j] = c[1][i][j + 1] + 1; cw[1][i][j] = cw[1][i][j + 1]; cww[1][i][j] = cww[1][i][j + 1]; w[1][i][j] = w[1][i][j + 1]; } if(S[i][j] == 'w'){ c[1][i][j] = c[1][i][j + 1]; cw[1][i][j] = cw[1][i][j + 1] + c[1][i][j + 1]; cww[1][i][j] = cww[1][i][j + 1] + cw[1][i][j + 1]; w[1][i][j] = w[1][i][j + 1] + 1; } } } for(int i = 1; i <= Q; i++){ for(int j = A[i]; j <= C[i]; j++){ ans[i] += cww[1][j][B[i]] - cww[1][j][D[i] + 1] - cw[1][j][D[i] + 1] * (w[1][j][B[i]] - w[1][j][D[i] + 1]) - c[1][j][D[i] + 1] * ((w[1][j][B[i]] - w[1][j][D[i] + 1] - 1) * (w[1][j][B[i]] - w[1][j][D[i] + 1]) / 2); } } for(int i = 1; i <= W; i++){ for(int j = 1; j <= H; j++){ if(S[j][i] == 'c'){ c[2][i][j] = c[2][i][j - 1] + 1; cw[2][i][j] = cw[2][i][j - 1]; cww[2][i][j] = cww[2][i][j - 1]; w[2][i][j] = w[2][i][j - 1]; } if(S[j][i] == 'w'){ c[2][i][j] = c[2][i][j - 1]; cw[2][i][j] = cw[2][i][j - 1] + c[2][i][j - 1]; cww[2][i][j] = cww[2][i][j - 1] + cw[2][i][j - 1]; w[2][i][j] = w[2][i][j - 1] + 1; } } } for(int i = 1; i <= Q; i++){ for(int j = B[i]; j <= D[i]; j++){ ans[i] += cww[2][j][C[i]] - cww[2][j][A[i] - 1] - cw[2][j][A[i] - 1] * (w[2][j][C[i]] - w[2][j][A[i] - 1]) - c[2][j][A[i] - 1] * ((w[2][j][C[i]] - w[2][j][A[i] - 1] - 1) * (w[2][j][C[i]] - w[2][j][A[i] - 1]) / 2); } } for(int i = 1; i <= W; i++){ for(int j = H; j >= 1; j--){ if(S[j][i] == 'c'){ c[3][i][j] = c[3][i][j + 1] + 1; cw[3][i][j] = cw[3][i][j + 1]; cww[3][i][j] = cww[3][i][j + 1]; w[3][i][j] = w[3][i][j + 1]; } if(S[j][i] == 'w'){ c[3][i][j] = c[3][i][j + 1]; cw[3][i][j] = cw[3][i][j + 1] + c[3][i][j + 1]; cww[3][i][j] = cww[3][i][j + 1] + cw[3][i][j + 1]; w[3][i][j] = w[3][i][j + 1] + 1; } } } for(int i = 1; i <= Q; i++){ for(int j = B[i]; j <= D[i]; j++){ ans[i] += cww[3][j][A[i]] - cww[3][j][C[i] + 1] - cw[3][j][C[i] + 1] * (w[3][j][A[i]] - w[3][j][C[i] + 1]) - c[3][j][C[i] + 1] * ((w[3][j][A[i]] - w[3][j][C[i] + 1] - 1) * (w[3][j][A[i]] - w[3][j][C[i] + 1]) / 2); } } for(int i = 1; i <= Q; i++){ cout << ans[i] << endl; } return 0; }