제출 #447116

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
447116	2021-07-24 15:07:45	thebitninja	T-Covering (eJOI19_covering)	C++14	100 / 100	351 ms	14668 KiB

covering

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#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<bool> vb;
typedef vector<vb> vvb;
pair<int,int> pom[4] = {{0,1}, {0,-1}, {1, 0}, {-1, 0}};
pair<int,int> pom2[8] = {{1,1}, {1,-1}, {-1, 1}, {-1, -1}, {0,2}, {0,-2}, {2, 0}, {-2, 0}};
pair<int,int> pom3[4] = {{0,2}, {0,-2}, {2, 0}, {-2, 0}};
bool edge(int r, int c, int n, int m){
    return (r==0 || r==n-1 || c==0 || c==m-1);
}
int getSum(int i, int n, int m, vvi& grid, vi& row, vi& col, vvb& taken){
    int res = grid[row[i]][col[i]];
    for(int p=0; p<4; p++){
        int r = row[i] + pom[p].first, 
            c = col[i] + pom[p].second; 
        if(r<0 || r>=n || c<0 || c>=m) continue;
        if(!taken[r][c])
            res += grid[r][c];
        taken[r][c] = true;
    }
    return res;
}
int getSumCount(int i, int n, int m, vvi& grid, vi& row, vi& col, vvb& taken, int& cnt, int& mr, int& mc){
 
 
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컴파일 시 표준 에러 (stderr) 메시지

covering.cpp: In function 'int solve(int, int, vvi&, int, vi&, vi&, vvi&)':
covering.cpp:148:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  148 |             if(cnt > 3*cmp.size()){
      |                ~~~~^~~~~~~~~~~~~~
covering.cpp:151:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  151 |             } else if(cnt < 3*cmp.size())
      |                       ~~~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
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• Subtask 6: 20 / 20
• Subtask 7: 30 / 30