제출 #290816

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
290816		Plurm	Bigger segments (IZhO19_segments)	C++11	0 / 100	1 ms	256 KiB

segments

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	scanf("%d",&n);
	long long last = 0ll;
	long long sum = 0ll;
	int cnt = 0;
	deque<int> dq;
	for(int i = 1; i <= n; i++){
		int x;
		scanf("%d",&x);
		sum += 1ll * x;
		dq.push_back(x);
		while(!dq.empty() && sum-dq.front() >= last+dq.front()){
			sum -= 1ll*dq.front();
			last += 1ll*dq.front();
			dq.pop_front();
		}
		if(sum >= last){
			last = sum;
			cnt++;
			sum = 0ll;
			dq.clear();
		}
	}
	printf("%d\n",cnt);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

segments.cpp: In function 'int main()':
segments.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
segments.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf("%d",&x);
      |   ~~~~~^~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 14
• Subtask 3: 0 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27