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无语70pts▄︻┻┳══━
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Lgc2012楼主2024/8/18 12:35
#include<bits/stdc++.h> 
using namespace std;
const int inf=0x7FFFFFFF;
int minn,w,dist[10005],map_[10005][10005];
int visit[10005],n,m,start,x,y,next_,k;
int main()
{
    scanf("%d%d%d",&n,&m,&start);
    for(int i=1;i<=n;i++){
    	visit[i]=1;
    	dist[i]=inf;
    	for(int j=1;j<=n;j++){
    		map_[i][j]=inf;
		}
	}
	for(int i=1;i<=m;i++){
		scanf("%d%d%d",&x,&y,&w);
    	map_[x][y]=min(map_[x][y],w);
	}
	dist[start]=0;
	visit[start]=0;
	for(int a=1;a<=n;a++){
		minn=inf;
		for(int i=1;i<=n;i++){
			if(map_[start][i]!=inf){
				dist[i]=min(dist[i],map_[start][i]+dist[start]);
			}
			if(visit[i] && minn>dist[i]){
				next_=i;
				minn=dist[i];
			}
		}
		if(minn==inf) break;
		start=next_;
		visit[start]=0;
	}
	for(int i=1;i<=n;i++){
		printf("%d ",dist[i]);
	}
	return 0;
}

MLE

RE

Compile Error

Dijkstra是不是不括以算负数???Dijkstra是不是不括以算负数??? 还是邻接表存图存不下???还是邻接表存图存不下???

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2024/8/18 12:35
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