제출 #126632

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
126632		fjzzq2002	운세 보기 2 (JOI14_fortune_telling2)	C++14	4 / 100	3042 ms	632 KiB

fortune_telling2

#include <iostream>
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <time.h>
#include <stdlib.h>
#include <string>
#include <bitset>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <algorithm>
#include <sstream>
#include <stack>
#include <iomanip>
#include <assert.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef pair<int,int> pii;
typedef long long ll;
typedef double ld;
typedef vector<int> vi;
#define fi first
#define se second
#define fe first
#define FO(x) {freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);}
#define Edg int M=0,fst[SZ],vb[SZ],nxt[SZ];void ad_de(int a,int b){++M;nxt[M]=fst[a];fst[a]=M;vb[M]=b;}void adde(int a,int b){ad_de(a,b);ad_de(b,a);}
#define Edgc int M=0,fst[SZ],vb[SZ],nxt[SZ],vc[SZ];void ad_de(int a,int b,int c){++M;nxt[M]=fst[a];fst[a]=M;vb[M]=b;vc[M]=c;}void adde(int a,int b,int c){ad_de(a,b,c);ad_de(b,a,c);}
#define es(x,e) (int e=fst[x];e;e=nxt[e])
#define esb(x,e,b) (int e=fst[x],b=vb[e];e;e=nxt[e],b=vb[e])
#define SZ 666666
int n,k,a[SZ],b[SZ],t[SZ];
int ps[SZ],pn;
int main()
{
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;++i)
		scanf("%d%d",a+i,b+i);
	for(int i=1;i<=k;++i)
		scanf("%d",t+i);
	ll ans=0;
	for(int i=1;i<=n;++i)
	{
		int mi=min(a[i],b[i]),
		mx=max(a[i],b[i]),
		c=(a[i]==mi),f=c;
		pn=0;
		for(int j=1;j<=k;++j)
		{
			int s=(t[j]>=mx)?2:((t[j]>=mi)?1:0);
			if(!s) continue;
			ps[++pn]=s;
		}
		int L=-1,R;
		for(int i=1;i<=pn;++i)
			if(ps[i]==1)
			{
				if(L==-1) L=i;
				R=i;
			}
		if(L==-1)
		{
			for(int i=1;i<=pn;++i)
				if(ps[i]==2) f^=1;
		}
		else
		{
			f=0;
			for(int i=R+1;i<=pn;++i)
				if(ps[i]==2) f^=1;
		}
		if(f) ans+=mi; else ans+=mx;
	}
	printf("%lld\n",ans);
}

컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:38:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~
fortune_telling2.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",a+i,b+i);
   ~~~~~^~~~~~~~~~~~~~~~
fortune_telling2.cpp:42:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",t+i);
   ~~~~~^~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 31
• Subtask 3: 0 / 65