Submission #282893

#	Time	Username	Problem	Language	Result	Execution time	Memory
282893		arnold518	방벽 (JOI15_walls)	C++14	10 / 100	3083 ms	1536 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], C[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;
		int l=A[j].first, r=A[j].second;
		for(int i=1; i<=M; i++)
		{
			if(l<=B[i] && B[i]<=r) continue;
			else if(B[i]<l)
			{
				int t=l-B[i];
				ans+=t; l-=t; r-=t;
			}
			else if(B[i]>r)
			{
				int t=B[i]-r;
				ans+=t; l+=t; r+=t;
			}
		}
		
		ans=0;
		for(int i=M; i>=1; i--)
		{
			if(l<=B[i] && B[i]<=r) continue;
			else if(B[i]<l)
			{
				int t=l-B[i];
				ans+=t; l-=t; r-=t;
			}
			else if(B[i]>r)
			{
				int t=B[i]-r;
				ans+=t; l+=t; r+=t;
			}
		}
		ans+=abs(l-A[j].first);
		printf("%lld\n", ans);
	}
}

Compilation message (stderr)

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