oj.uz

Submission #583206

# Submission time Handle Problem Language Result Execution time Memory
583206 2022-06-25T05:03:41 Z AGE Političari (COCI20_politicari) C++14
60 / 70
 61 ms 2288 KB 
#include<bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define int long long

using namespace std;
const int N=1e6,M=2e3,mod=1e9+7;
int a[510][510];
map<pair<int,int>,int>vis;
main()
{
    int n,m;
    cin>>n>>m;

    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            cin>>a[i][j];

    vector<pair<int,int>>v;
    v.pb({0,1});
    v.pb({1,2});

    vis[{0,1}]=1;
    vis[{1,2}]=1;

    pair<int,int>ans;
    while(1){

        int x=v.size()-1;

        if(vis[{v[x].S,a[v[x].S-1][v[x].F-1]}]==1){
            ans.F=v[x].S;
            ans.S=a[v[x].S-1][v[x].F-1];
            break;
        }

        vis[{v[x].S,a[v[x].S-1][v[x].F-1]}]=1;
        v.pb({v[x].S,a[v[x].S-1][v[x].F-1]});

    }


    reverse(v.begin(),v.end());
    pair<int,int> lst={-1,-1};
    while(((*v.rbegin()).F!=ans.F||(*v.rbegin()).S!=ans.S)&&m>0){

        lst=*v.rbegin();
        v.pop_back(),m--;

    }

    if(m==0){
        cout<<lst.F<<" "<<lst.S<<endl;
        return 0;
    }

    reverse(v.begin(),v.end());

    int xx=m%v.size();

    if(xx==0)
        xx=v.size();

    xx--;

    cout<<v[xx].S<<endl;
    return 0;
}

Compilation message

politicari.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main()
      | ^~~~

Subtask #1
60.0 / 70.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Correct 9 ms 1108 KB Output is correct
3 Correct 39 ms 1900 KB Output is correct
4 Correct 37 ms 2088 KB Output is correct
5 Correct 58 ms 2288 KB Output is correct
6 Correct 61 ms 2252 KB Output is correct
7 Incorrect 1 ms 340 KB Output isn't correct
8 Correct 4 ms 724 KB Output is correct
9 Correct 12 ms 1176 KB Output is correct
10 Correct 40 ms 2068 KB Output is correct
11 Correct 49 ms 2220 KB Output is correct
12 Correct 53 ms 2268 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 6 ms 788 KB Output is correct