Submission #29494

#	Time	Username	Problem	Language	Result	Execution time	Memory
29494		Nikefor	Crocodile's Underground City (IOI11_crocodile)	C++98	0 / 100	716 ms	170300 KiB

crocodile

#include "crocodile.h"
#include<bits/stdc++.h>
#define ii pair<int,int>
using namespace std;
int visit[100002];
int res;
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    priority_queue<ii> q;
    vector<ii> adj[N+2];
    for(int i=0; i<M; i++) {
        int v1 = R[i][0], v2 = R[i][1];
        adj[v1].push_back(make_pair(v2,i));
        adj[v2].push_back(make_pair(v1,i));
    }
    for(int i=0; i<K; i++) { q.push(make_pair(1<<22,P[i])); visit[P[i]]++; }
    while(!q.empty()) {
         ii e = q.top();
         int v = e.second;
         if(e.first== 1<<22) e.first=0;
     //    printf("%d deyim\n", v);
         q.pop();
         if(!visit[v]) {
            visit[v]++;
            continue;
         }
         visit[v]++;
        if(!v){
            res = -e.first;
            break;
        }
        for(int i=0; i<adj[v].size(); i++) {
            if(visit[adj[v][i].first]<2) q.push(make_pair(e.first-L[adj[v][i].second], adj[v][i].first ));
        }

    }
  return res;
}

Compilation message (stderr)

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0; i<adj[v].size(); i++) {
                       ^

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