Submission #15905

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
15905	2015-08-01 07:04:07	pepe	Dreaming (IOI13_dreaming)	C++98	100 / 100	154 ms	14072 KiB

dreaming

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#include <cstdio>
#include <cstring>
#include <vector>
#include <utility>
#include <queue>
#include <algorithm>
#include "dreaming.h"
using namespace std;
typedef pair<int,int> pi;
vector<pi> graph[100005];
 
int visited[100005];
int visited2[100005];
 
pi get_longest(int *vis, int x){
    queue<int> q,d;
    q.push(x);
    d.push(0);
    int max = -1, maxv = -1;
    vis[x] = 1;
    while (!q.empty()) {
        int qf = q.front();
        int df = d.front();
        if(df > max){
            max = df;
            maxv = qf;
        }
        q.pop();
        d.pop();
        for (int i=0; i<graph[qf].size(); i++) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

dreaming.cpp: In function 'pi get_longest(int*, int)':
dreaming.cpp:30:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0; i<graph[qf].size(); i++) {
                       ~^~~~~~~~~~~~~~~~~
dreaming.cpp: In function 'int dfs(int, int, int, int)':
dreaming.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<graph[x].size(); i++) {
                   ~^~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 10 / 10
• Subtask 3: 23 / 23
• Subtask 4: 18 / 18
• Subtask 5: 12 / 12
• Subtask 6: 23 / 23