Submission #27487

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
27487	2017-07-13 07:25:24	TAMREF	Tracks in the Snow (BOI13_tracks)	C++11	100 / 100	1999 ms	595580 KiB

tracks

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#include <bits/stdc++.h>
using namespace std;
const int mx=4002, ms=4000*4000+1;
vector<int> G[ms];
int rep[ms];
char F[4000][mx];
int ans=0, rt=1, d, n, m, g=1;
void bfs(){
    memset(rep,0,sizeof(rep));
    queue<int> node,dep;
    node.push(rt);
    dep.push(1);
    for(;!node.empty();){
        int now=node.front(), dnow=dep.front();
        node.pop(); dep.pop();
        if(rep[now]) continue;
        rep[now]=1; d=max(d,dnow);
        for(int u : G[now]){
            if(!rep[u]){
                node.push(u);
                dep.push(dnow+1);
            }
        }
    }
}
void input(){
    scanf("%d %d\n",&n,&m);
    for(int i=0;i<n;i++) fgets(F[i],mx,stdin);
}
void gennode(){
 
 
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Compilation message (stderr)

tracks.cpp: In function 'void input()':
tracks.cpp:27:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d\n",&n,&m);
                           ^
tracks.cpp:28:46: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<n;i++) fgets(F[i],mx,stdin);
                                              ^

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70