Submission #616591

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
616591	2022-08-01 05:35:12	BJoozz	Mousetrap (CEOI17_mousetrap)	C++14	0 / 100	16 ms	23892 KiB

mousetrap

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define X first
#define Y second
//#define int long long
void maxx(int &a,int b){if(b>a) a=b;}
void minn(int &a,int b){if(b<a) a=b;}
using ll = long long;
using ii = pair < int , int >;
const int MAX=1e6+3,inf=1e9,mod=1e9+7;
vector < int > pr[MAX];
//int tim=0,sz[MAX];
int pa[MAX];
int n;
int H[MAX];
void dfs(int v,int trc){
    for(int u:pr[v])if(u!=trc){
        pa[u]=v;
        H[u]=H[v]+pr[u].size()-2;
        dfs(u,v);
    }
}
int dp[MAX];
int B[MAX];
void go(int v,int trc){
    int S1=0,S2=-1;
    for(int u:pr[v])if(u!=trc){
        go(u,v);
 
 
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Compilation message (stderr)

mousetrap.cpp: In function 'int main()':
mousetrap.cpp:111:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  111 |         int mid=b+e>>1;
      |                 ~^~
mousetrap.cpp:88:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |     freopen("mousetrap.inp","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
mousetrap.cpp:89:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |     freopen("mousetrap.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 25
• Subtask 3: 0 / 20
• Subtask 4: 0 / 35