제출 #841770

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
8417702023-09-02 04:27:18I_love_Hoang_Yen축구 경기장 (IOI23_soccer)C++17
65.50 / 100
336 ms31828 KiB
#include <bits/stdc++.h>
#include "soccer.h"
using namespace std;
struct Row {
int first, last;
int cnt() const {
return last - first + 1;
}
bool contains(const Row& b) const {
return first <= b.first && b.last <= last;
}
bool operator < (const Row& b) const {
return cnt() > b.cnt();
}
};
pair<bool, int> subtask_25p(int n, const vector<vector<int>>& forest) {
int cnt_row = 0; // number of non-empty rows
int first_row = n, last_row = -1;
int total = 0;
vector<Row> rows;
for (int r = 0; r < n; ++r) {
int cnt = 0; // number of empty cells
int first = n, last = -1; // all empty cells should be in [first, last]
for (int c = 0; c < n; ++c) {
if (forest[r][c] == 0) {
++total; ++cnt;
if (first == n) first = c;
 
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