제출 #935029

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
935029	2024-02-28 12:14:04	Hanksburger	Toll (BOI17_toll)	C++17	100 / 100	527 ms	158176 KiB

toll

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#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int> > adj[50005], rev[50005];
map<pair<int, int>, int> mp;
int dist[50005];
void recur(int l, int r, int c)
{
    int mid=(l+r)/2;
    for (int i=c*mid; i<c*(mid+1); i++)
    {
        for (int j=c*l; j<c*(r+1); j++)
            dist[j]=1e9;
        dist[i]=0;
        for (int j=c*mid-1; j>=c*l; j--)
        {
            for (int k=0; k<adj[j].size(); k++)
                dist[j]=min(dist[j], dist[adj[j][k].first]+adj[j][k].second);
            mp[{j, i}]=dist[j];
        }
        for (int j=c*(mid+1); j<c*(r+1); j++)
        {
            for (int k=0; k<rev[j].size(); k++)
                dist[j]=min(dist[j], dist[rev[j][k].first]+rev[j][k].second);
            mp[{i, j}]=dist[j];
        }
    }
    if (l+2<=mid)
        recur(l, mid-1, c);
    if (mid+2<=r)
        recur(mid+1, r, c);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

toll.cpp: In function 'void recur(int, int, int)':
toll.cpp:16:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |             for (int k=0; k<adj[j].size(); k++)
      |                           ~^~~~~~~~~~~~~~
toll.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             for (int k=0; k<rev[j].size(); k++)
      |                           ~^~~~~~~~~~~~~~

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