Submission #57809

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
57809	2018-07-16 08:58:05	red1108	트리 (KOI16_tree)	C++17	55 / 100	2079 ms	49680 KiB

tree

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#include <stdio.h>
#include <vector>
using namespace std;
int n,q;
vector<int> tree[200010];
int seg[800010],par[200010],cnt=0,si=1,color[800010],ccnt=1;
pair<int,int> range[200010];
bool cut[200010];
void dfs(int x)
{
    range[x].first=++cnt;
    for(auto i:tree[x])
        dfs(i);
    range[x].second=cnt;
}
void rename(int x,int newc)
{
    color[x]=newc;
    for(auto i:tree[x])
    {
        if(!cut[i]) rename(i,newc);
    }
}
void gang(int x, int k)
{
    x=x+si-1;
    int delta=k-seg[x];
    while(x)
    {
        seg[x]+=delta;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

tree.cpp: In function 'int main()':
tree.cpp:45:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~~
tree.cpp:50:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a);
         ~~~~~^~~~~~~~~~
tree.cpp:63:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &a, &b, &c);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 14 / 14
• Subtask 4: 19 / 19
• Subtask 5: 0 / 45