제출 #143973

#제출 시각아이디문제언어결과실행 시간메모리
143973tincamateiRectangles (IOI19_rect)C++14
10 / 100
2 ms396 KiB
#include "rect.h" using namespace std; bool goodRect(int i, int j, int exp) { return j - i - 1 > 0 && exp >= j - i - 1; } long long subtask5(const vector<vector<int> > &matr) { int N = matr.size(), M = matr[0].size(); int exp = 0; int top = 0; long long rez = 0LL; vector<int> stiva(M); for(int c = 0; c < M; ++c) { bool eq = false; while(top > 0 && matr[1][c] >= matr[1][stiva[top - 1]]) { rez = rez + goodRect(stiva[top - 1], c, exp); if(matr[1][c] == matr[1][stiva[top - 1]]) eq = true; --top; } if(!eq && top > 0) rez = rez + goodRect(stiva[top - 1], c, exp); stiva[top++] = c; if(matr[0][c] > matr[1][c] && matr[2][c] > matr[1][c]) ++exp; else exp = 0; } return rez; } long long count_rectangles(std::vector<std::vector<int> > a) { int N; N = a.size(); if(N == 3) return subtask5(a); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

rect.cpp: In function 'long long int subtask5(const std::vector<std::vector<int> >&)':
rect.cpp:10:6: warning: unused variable 'N' [-Wunused-variable]
  int N = matr.size(), M = matr[0].size();
      ^
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