This documentation is automatically generated by online-judge-tools/verification-helper
This project is maintained by tsutaj
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560" #include <cstdio> using namespace std; #include "../../../algorithm/cumulative_sum_2d.cpp" int main() { int H, W, Q; scanf("%d%d%d", &H, &W, &Q); vector< vector<int> > J(H, vector<int>(W)), O = J, I = J; for(int i=0; i<H; i++) { for(int j=0; j<W; j++) { char c; scanf(" %c ", &c); if(c == 'J') J[i][j]++; if(c == 'O') O[i][j]++; if(c == 'I') I[i][j]++; } } auto add = [](int a, int b) { return a + b; }; auto sub = [](int a, int b) { return a - b; }; CumulativeSum2D<int> AJ(J, 0, add, sub); CumulativeSum2D<int> AO(O, 0, add, sub); CumulativeSum2D<int> AI(I, 0, add, sub); while(Q--) { int x1, y1, x2, y2; scanf("%d%d%d%d", &x1, &y1, &x2, &y2); x1--, y1--; int VJ = AJ.range_val(x1, y1, x2, y2); int VO = AO.range_val(x1, y1, x2, y2); int VI = AI.range_val(x1, y1, x2, y2); printf("%d %d %d\n", VJ, VO, VI); } return 0; }
#line 1 "verifying_test/AOJ/0560/cumulative_sum_2d.test.cpp" #define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0560" #include <cstdio> using namespace std; #line 2 "algorithm/cumulative_sum_2d.cpp" /** * @brief 2 次元累積和 (2 Dimension Cumulative Sum) * @docs docs/algorithm/cumulative_sum_2d.md */ #include <functional> #include <vector> #include <cassert> template <typename MonoidType> struct CumulativeSum2D { // 持つ矩形領域のサイズ // 縦横とも、acc はこれより 2 大きくしておく int n, m; MonoidType E; vector< vector<MonoidType> > acc; using MMtoM = function< MonoidType(MonoidType, MonoidType) >; MMtoM op, rop; void accumulate() { for(int i=0; i<=n; i++) { for(int j=0; j<m; j++) { acc[i][j+1] = op(acc[i][j+1], acc[i][j]); } } for(int j=0; j<=m; j++) { for(int i=0; i<n; i++) { acc[i+1][j] = op(acc[i+1][j], acc[i][j]); } } } CumulativeSum2D() {} CumulativeSum2D(int n_, int m_, int E_, MMtoM op_, MMtoM rop_) : n(n_), m(m_), E(E_), acc(n_+2, vector<MonoidType>(m_+2, E_)), op(op_), rop(rop_) {} CumulativeSum2D(vector< vector<MonoidType> > mat, int E_, MMtoM op_, MMtoM rop_, bool need_accumulate = true) : E(E_), op(op_), rop(rop_) { assert(mat.size() > 0); n = mat.size(), m = mat[0].size(); acc = vector< vector<MonoidType> >(n+2, vector<MonoidType>(m+2, E_)); for(int i=0; i<n; i++) { for(int j=0; j<m; j++) { acc[i+1][j+1] = mat[i][j]; } } if(need_accumulate) accumulate(); } // [lx, rx), [ly, ry) の矩形領域に val を適用 void range_apply(int lx, int ly, int rx, int ry, MonoidType val) { if(lx < 0 or ly < 0 or rx > n or ry > m) return; lx++, ly++; rx++; ry++; acc[lx][ly] = op(acc[lx][ly], val); acc[rx][ry] = op(acc[rx][ry], val); acc[lx][ry] = rop(acc[lx][ry], val); acc[rx][ly] = rop(acc[rx][ly], val); } // [lx, rx), [ly, ry) の矩形領域の値 MonoidType range_val(int lx, int ly, int rx, int ry) { if(lx < 0 or ly < 0 or rx > n or ry > m) return E; MonoidType res = E; res = op(res, acc[lx][ly]); res = op(res, acc[rx][ry]); res = rop(res, acc[lx][ry]); res = rop(res, acc[rx][ly]); return res; } }; #line 5 "verifying_test/AOJ/0560/cumulative_sum_2d.test.cpp" int main() { int H, W, Q; scanf("%d%d%d", &H, &W, &Q); vector< vector<int> > J(H, vector<int>(W)), O = J, I = J; for(int i=0; i<H; i++) { for(int j=0; j<W; j++) { char c; scanf(" %c ", &c); if(c == 'J') J[i][j]++; if(c == 'O') O[i][j]++; if(c == 'I') I[i][j]++; } } auto add = [](int a, int b) { return a + b; }; auto sub = [](int a, int b) { return a - b; }; CumulativeSum2D<int> AJ(J, 0, add, sub); CumulativeSum2D<int> AO(O, 0, add, sub); CumulativeSum2D<int> AI(I, 0, add, sub); while(Q--) { int x1, y1, x2, y2; scanf("%d%d%d%d", &x1, &y1, &x2, &y2); x1--, y1--; int VJ = AJ.range_val(x1, y1, x2, y2); int VO = AO.range_val(x1, y1, x2, y2); int VI = AI.range_val(x1, y1, x2, y2); printf("%d %d %d\n", VJ, VO, VI); } return 0; }