제출 #643384

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
643384		Pajaraja	Team Contest (JOI22_team)	C++17	0 / 100	46 ms	2640 KiB

team

#include <bits/stdc++.h>
#define MAXN 200007
using namespace std;
map<pair<int,int>,bool> mp;
int p[MAXN],x[MAXN],y[MAXN],z[MAXN],a[2],b[2];
int check(int i,int j,int k)
{
    if(i==j || i==k || j==k || i==0 || j==0) return -1;
    if(x[i]<=x[j] || x[i]<=x[k]) return -1;
    if(y[j]<=y[i] || y[j]<=y[k]) return -1;
    if(z[k]<=z[i] || z[k]<=z[j]) return -1;
    return x[i]+y[j]+z[k];
}
bool cmp(int i,int j) {return z[i]<z[j];}
int main()
{
    int n,rez=-1;
    scanf("%d",&n);
    for(int i=1;i<=n;i++) scanf("%d%d%d",&x[i],&y[i],&z[i]);
    for(int i=1;i<=n;i++) p[i]=i;
    sort(p+1,p+n+1,cmp);
    for(int i=1;i<=n;i++)
    {
        if(p[i]!=p[i-1]) for(int j=i-1;j>0;j--)
        {
            if(p[j]!=p[i-1]) break;
            if(mp[{x[p[j]],y[p[j]]}]) continue;
            mp[{x[p[j]],y[p[j]]}]=true;
            if(x[p[j]]>x[a[0]]) {swap(a[0],a[1]); a[0]=p[j];}
            else if(x[p[j]]>x[a[1]]) a[1]=p[j];
            if(y[p[j]]>y[b[0]]) {swap(b[0],b[1]); b[0]=p[j];}
            else if(y[p[j]]>y[b[1]]) b[1]=p[j];
        }
        for(int k=0;k<2;k++) for(int t=0;t<2;t++) rez=max(rez,check(a[k],b[t],p[i]));
    }
    printf("%d\n",rez);
}

컴파일 시 표준 에러 (stderr) 메시지

team.cpp: In function 'int main()':
team.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
team.cpp:19:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     for(int i=1;i<=n;i++) scanf("%d%d%d",&x[i],&y[i],&z[i]);
      |                           ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 29
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
• Subtask 6: 0 / 9
• Subtask 7: 0 / 27