제출 #1338375

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1338375		spuike	세계 지도 (IOI25_worldmap)	C++20	5 / 100	2 ms	580 KiB

worldmap

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define ld long double
#define fi first
#define se second
vector<vector<int>>create_map(int n, int m, vector<int>a, vector<int>b){
    if(m==n-1){
        bool bilo=0;
        for(int i=0;i<m;i++){
            if(a[i]!=i+1 || b[i]!=i+2){
                bilo=1;
                break;
            }
        }
        if(!bilo){
            vector<vector<int>>ans(n, vector<int>(n));
            for(int i=0;i<n;i++){
                for(int j=0;j<n;j++){
                    ans[i][j]=i+1;
                }
            }
            return ans;
        }
    }
    if(m==n*(n-1)/2){
        vector<int>c;
        vector<vector<int>>ans(n, vector<int>(n));
        for(int i=1;i<=n;i++)c.push_back(i);
        ans[0]=c;
        for(int i=1;i<n;i++){
            for(int j=0;j<n;j++){
                if(i<j+1)ans[i][j]=i;
                else ans[i][j]=i+1;
            }
        }
        return ans;
    }
}
/*int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll n, m;
    cin>>n>>m;
    vector<int>a(n), b(m);
    for(int i=0;i<m;i++)cin>>a[i];
    for(int i=0;i<m;i++)cin>>b[i];
    vector<vector<int>>ans=create_map(n, m, a, b);
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cout<<ans[i][j]<<" ";
        }
        cout<<'\n';
    }
    return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

worldmap.cpp: In function 'std::vector<std::vector<int> > create_map(int, int, std::vector<int>, std::vector<int>)':
worldmap.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
   40 | }
      | ^

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 7
• Subtask 4: 0 / 8
• Subtask 5: 0 / 14
• Subtask 6: 0 / 56