Submission #29631

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
29631	2017-07-20 09:24:29	osmanorhan	Dreaming (IOI13_dreaming)	C++14	100 / 100	113 ms	15348 KiB

dreaming

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#include "dreaming.h"
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define umax( x, y ) x = max( x, y )
#define umin( x, y ) x = min( x, y )
using namespace std;
const int maxn = 100000;
typedef long long Lint;
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
//first - where to go
//second.first - how much time to go
//second.second - length of longest path starting from this edge
vector<iii> w[maxn];
vector<int> v, ans;
bool used[maxn];
int dfs( int n, int back ) {
    int ret = 0;
    v.pb( n );
    used[n] = 1;
    for(int i=0;i<w[n].size();i++)
        if( w[n][i].fi != back ) umax( ret, (w[n][i].se.se = (w[n][i].se.fi + dfs( w[n][i].fi, n ))) );
    return ret;
 
 
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Compilation message (stderr)

dreaming.cpp: In function 'int dfs(int, int)':
dreaming.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<w[n].size();i++)
                 ~^~~~~~~~~~~~
dreaming.cpp: In function 'void dfs2(int, int, int)':
dreaming.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<w[n].size();i++)
                 ~^~~~~~~~~~~~
dreaming.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<w[n].size();i++)
                 ~^~~~~~~~~~~~
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:63:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(int j=0;j<w[n].size();j++) umax( maxi, w[n][j].se.se );
                             ~^~~~~~~~~~~~

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