Submission #412119

#	Time	Username	Problem	Language	Result	Execution time	Memory
412119		A_D	Crocodile's Underground City (IOI11_crocodile)	C++14	89 / 100	331 ms	35452 KiB

crocodile

#include "crocodile.h"
#include <bits/stdc++.h>
#define LL long long
#define ii pair<LL,LL>
#define F first
#define S second
using namespace std;
const int NN=1e3+100;
const int INF=1e18;
vector<ii> g[NN];
LL dp[NN];
vector<LL> vec;
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    for(int i=0;i<N;i++)dp[i]=INF;
    for(int i=0;i<K;i++)dp[P[i]]=0;
    for(int i=0;i<M;i++){
        LL u=R[i][0];
        LL v=R[i][1];
        LL w=L[i];
        g[u].push_back({v,w});
        g[v].push_back({u,w});
//        cout<<u<<" "<<v<<" "<<w<<endl;
    }
    int h=N;
    while(h--){
        for(int i=0;i<N;i++){
            vec.clear();
            for(auto x:g[i]){
                vec.push_back(dp[x.F]+x.S);
            }
            sort(vec.begin(),vec.end());
            if(vec.size()>1){
                dp[i]=min(dp[i],vec[1]);
            }
        }
    }
    LL ans=dp[0];
//    for(int i=0;i<N;i++)cout<<dp[i]<<" ";cout<<endl;
    return ans;
}


/*

5 4 3
0 1 2
0 2 3
3 2 1
2 4 4
1 3 4


5 7 2
0 2 4
0 3 3
3 2 2
2 1 10
0 1 100
0 4 7
3 4 9
1 3



*/

Compilation message (stderr)

crocodile.cpp:9:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
    9 | const int INF=1e18;
      |               ^~~~

• Subtask 1: 46 / 46
• Subtask 2: 43 / 43
• Subtask 3: 0 / 11