Submission #306007

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
306007	2020-09-24 09:31:24	juggernaut	Dreaming (IOI13_dreaming)	C++14	0 / 100	1093 ms	12024 KiB

dreaming

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#include"dreaming.h"
//#include"grader.c"
#include<bits/stdc++.h>
#define fr first
#define sc second
using namespace std;
vector<pair<int,int>>g[100005];
bool vis[100005];
int mx[100005],mx2[100005],id[100005],mm,idd;
int dfs(int v,int p){
    vis[v]=1;
    int i=0,x;
    id[v]=-1;
    for(;i<g[v].size();i++)
        if(g[v][i].fr!=p){
            x=dfs(g[v][i].fr,v)+g[v][i].sc;
            if(x>mx2[v]){
                mx2[v]=x;
                id[v]=g[v][i].fr;
            }
        }
    return mx2[v];
}
void go(int v,int p,int val,int depth){
    mx[v]=max(val,depth);
    int m=0,i=0;
    for(;i<g[v].size();i++)
        if(g[v][i].fr!=p)
        if(g[v][i].fr!=id[v]){
            m=max(m,mx2[g[v][i].fr]+g[v][i].sc);
 
 
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Compilation message (stderr)

dreaming.cpp: In function 'int dfs(int, int)':
dreaming.cpp:14:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(;i<g[v].size();i++)
      |          ~^~~~~~~~~~~~
dreaming.cpp: In function 'void go(int, int, int, int)':
dreaming.cpp:27:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(;i<g[v].size();i++)
      |          ~^~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 10
• Subtask 3: 0 / 23
• Subtask 4: 0 / 18
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23