제출 #282813

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
282813		arnold518	방벽 (JOI15_walls)	C++14	10 / 100	3059 ms	3736 KiB

walls

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 2e5;

int N, M;
pii A[MAXN+10];
int B[MAXN+10];

int main()
{
	scanf("%d%d", &N, &M);
	for(int i=1; i<=N; i++) scanf("%d%d", &A[i].first, &A[i].second);
	for(int i=1; i<=M; i++) scanf("%d", &B[i]);

	for(int j=1; j<=N; j++)
	{
		ll ans=0;
		for(int i=1; i<=M; i++)
		{
			if(A[j].first<=B[i] && B[i]<=A[j].second) continue;
			else if(B[i]<A[j].first)
			{
				int t=A[j].first-B[i];
				ans+=t; A[j].first-=t; A[j].second-=t;
			}
			else if(B[i]>A[j].second)
			{
				int t=B[i]-A[j].second;
				ans+=t; A[j].first+=t; A[j].second+=t;
			}
		}
		printf("%lld\n", ans);
	}
}

컴파일 시 표준 에러 (stderr) 메시지

walls.cpp: In function 'int main()':
walls.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  scanf("%d%d", &N, &M);
      |  ~~~~~^~~~~~~~~~~~~~~~
walls.cpp:17:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |  for(int i=1; i<=N; i++) scanf("%d%d", &A[i].first, &A[i].second);
      |                          ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
walls.cpp:18:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |  for(int i=1; i<=M; i++) scanf("%d", &B[i]);
      |                          ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 45
• Subtask 3: 0 / 45