Submission #31155

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
31155	2017-08-12 02:42:20	pasa3232	Dreaming (IOI13_dreaming)	C++14	100 / 100	123 ms	16344 KiB

dreaming

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#include<bits/stdc++.h>
#include "dreaming.h"
using namespace std;
const int INF=1987654321;
int n, m, l, cnt, ch[100010], M[2][100010], D[100010], A[100010];
struct C{
    int r, l;
    bool operator<(const C &a)const{
        return a.r>r;
    }
}data[100010];
vector<pair<int, int> > v[100010];
void dfs(int x){
    ch[x]=1;
    for(int i=0; i<v[x].size(); i++){
        int u=v[x][i].first;
        if(ch[u]==0){
            dfs(u);
            if(M[0][x]<v[x][i].second+M[0][u]){
                M[1][x]=M[0][x];
                M[0][x]=v[x][i].second+M[0][u];
            }
            else if(M[1][x]<v[x][i].second+M[0][u]){
                M[1][x]=M[0][u]+v[x][i].second;
            }
            D[x]=max(D[x], D[u]);
        }
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<v[x].size(); i++){
                  ~^~~~~~~~~~~~
dreaming.cpp: In function 'void dfs1(int, int, int, int)':
dreaming.cpp:48:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0; i<v[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