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답안 #373265

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
373265 2021-03-04T00:53:14 Z rk42745417 Po (COCI21_po) C++17
50 / 70
 1000 ms 1644 KB 
#include <bits/stdc++.h>
using namespace std;

#define EMT ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int MOD = 1e9 + 7;
const int INF = 0x3f3f3f3f;
const ll LINF = 2e18;
const double EPS = 1e-9;

signed main() { EMT
	int n;
	cin >> n;
	vector<int> arr(n);
	ll ans = 0;
	for(int i = 0; i < n; i++)
		cin >> arr[i];
	int it = 0;
	while(it < n) {
		if(!arr[it]) {
			it++;
			continue;
		}
		int w = arr[it];
		for(int i = it; i < n; i++) {
			if(!arr[i])
				break;
			w = min(w, arr[i]);
		}
		ans++;
		for(int i = it; i < n; i++) {
			if(!arr[i])
				break;
			arr[i] -= w;
		}
	}
	cout << ans << '\n';
}

Subtask #1
50.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 7 ms 660 KB Output is correct
5 Correct 8 ms 876 KB Output is correct
6 Execution timed out 1065 ms 1644 KB Time limit exceeded
7 Execution timed out 1082 ms 1644 KB Time limit exceeded