Submission #124438

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
124438	2019-07-03 10:39:55	forelax	Highway Tolls (IOI18_highway)	C++14	51 / 100	439 ms	29396 KiB

highway

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#include "highway.h"
#include<bits/stdc++.h>
using namespace std;
/*
int N,M,A,B,S,T;
vector<int> U,V;
vector<vector<pair<int,int> > > NG;
long long int ask(vector<int> W){
    queue<pair<long long int,int> > q;
    q.push({0,S});
    vector<long long int> dst(N,1e16);
    dst[S]=0;
    while(q.size()){
        pair<int,int> cur=q.front();
        long long int d=-cur.first;
        long long int nd=cur.second;
        q.pop();
        for(int i = 0 ; i < NG[nd].size() ; i ++){
            int ne=NG[nd][i].first;
            int ew=NG[nd][i].second;
            ew=W[ew]*(B-A)+A;
            if(d+ew<dst[ne]){
                dst[ne]=d+ew;
                q.push({-dst[ne],ne});
            }
        }
    }
    return dst[T];
}
void answer(int A,int B){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

highway.cpp: In function 'std::vector<std::vector<int> > bfs(int, int)':
highway.cpp:51:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0 ; i < ng[cn].size() ; i ++ ){
                         ~~^~~~~~~~~~~~~~~
highway.cpp: In function 'int fnd(std::vector<std::vector<int> >)':
highway.cpp:66:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0 ; i < s0.size() ; i ++){
                     ~~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 6 / 6
• Subtask 4: 33 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31