제출 #729483

#제출 시각아이디문제언어결과실행 시간메모리
729483MilosMilutinovicRectangles (IOI19_rect)C++14
컴파일 에러
0 ms0 KiB
// todo #include "rect.h" #include <bits/stdc++.h> #define rep(i, n) for(int i = 0; i < (int)(n); i ++) #define rep1(i, n) for(int i = 1; i <= (int)(n); i ++) #define MP make_pair using namespace std; typedef long long LL; typedef pair<int, int> PII; PII goL[2505][2505], goR[2505][2505], goU[2505][2505], goD[2505][2505]; vector<PII> ver[2505], hor[2505]; LL count_rectangles(vector<vector<int>> a) { int n = (int)a.size(), m = (int)a[0].size(); rep(i, n) { vector<int> stk; rep(j, m) { while(!stk.empty() && a[i][j] > a[i][stk.back()]) stk.pop_back(); goL[i][j] = MP(i, stk.empty() ? -1 : stk.back()); stk.push_back(j); } } rep(i, n) { vector<int> stk; for(int j = m - 1; j >= 0; j--) { while(!stk.empty() && a[i][j] > a[i][stk.back()]) stk.pop_back(); goR[i][j] = MP(i, stk.empty() ? -1 : stk.back()); stk.push_back(j); } } rep(j, m) { vector<int> stk; rep(i, n) { while(!stk.empty() && a[i][j] > a[stk.back()][j]) stk.pop_back(); goU[i][j] = MP(stk.empty() ? -1 : stk.back(), j); stk.push_back(i); } } rep(j, m) { vector<int> stk; for(int i = n - 1; i >= 0; i--) { while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back(); goD[i][j] = MP(stk.back() ? -1 : stk.back(), j); stk.push_back(i); } } rep(i, n) rep(j, m) { if(goL[i][j].second != -1) ver[i].push_back(MP(goL[i][j].second, j)); if(goR[i][j].second != -1) ver[i].push_back(MP(j, goR[i][j].second)); } }

컴파일 시 표준 에러 (stderr) 메시지

rect.cpp: In function 'LL count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:46:40: error: expected primary-expression before ';' token
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                                        ^
rect.cpp:46:40: error: expected ']' before ';' token
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                                        ^
      |                                        ]
rect.cpp:46:40: error: expected ')' before ';' token
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                  ~                     ^
      |                                        )
rect.cpp:46:13: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |             ^~~~~
rect.cpp:46:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                                         ^
rect.cpp:46:42: error: expected ';' before ']' token
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                                          ^
      |                                          ;
rect.cpp:46:41: warning: statement has no effect [-Wunused-value]
   46 |             while(!stk.empty() && a[i][;j] > a[stk.back()][j]) stk.pop_back();
      |                                         ^
rect.cpp:56:1: warning: no return statement in function returning non-void [-Wreturn-type]
   56 | }
      | ^