oj.uz

Submission #1003080

# Submission time Handle Problem Language Result Execution time Memory
1003080 2024-06-20T05:16:47 Z vjudge1 Subtree (INOI20_subtree) C++17
12 / 100
 648 ms 1048576 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
  #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define int ll
#define MAX 1000001
#define INF INT_MAX
#define MOD 1000000007
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ins insert
#define ff first
#define ss second 

#define all(a) a.begin(),a.end()
#define lb(a,b) lower_bound(all(a),b)
#define ub(a,b) upper_bound(all(a),b)
#define sortv(a) sort(all(a))
#define outputar(a,b){\
    for(int i=0;i<b;i++){\
        cout << a[i] << " ";\
    }\
    cout << endl;\
}
#define outputvec(a){\
    for(auto x:a){\
        cout << (int)x << " ";\
    }\
    cout << endl;\
}
#define reset(a,n,v){\
    for(int i=0;i<n;i++){\
        a[i]=v;\
    }\
}
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef tuple<ll,ll,ll> tll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef double db;
typedef long double ldb;
inline void USACO(string filename){
  freopen((filename+".in").c_str(),"r",stdin);
  freopen((filename+".out").c_str(),"w",stdout);
}
int n,q,t=1,m,k,x,y,z,x2,y2,z2,a[MAX],b[MAX],d[MAX],e[MAX];
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
string s[MAX],str[MAX];
//int e[1001][1001];
string s1,s2,s3;
const int mod = 998244353;
int dx[4]={0,1,0,-1};
int dy[4]={1,0,-1,0};
vector<vector<int>> g;
int res=0;
void dfs(int v,int prev){
    a[v]=1;
    for(auto x:g[v]){
        if(x==prev){
            continue;
        }
        dfs(x,v);
        a[v]*=(a[x]+1);
        a[v]%=MOD;
    }
    res+=a[v]; 
    res%=MOD;
}
void solve(){
    cin >> n >> m; 
    g.clear();
    g.resize(n+1);
    for(int i=0;i<m;i++){
        cin >> x >> y;
        g[x].pb(y);
        g[y].pb(x); 
    }
    dfs(1,-1);
    cout << res << "\n";
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    //freopen("input13.txt","r",stdin);
    //cin >> t;
    ll cnt1=1;
    while(t--){
        solve();
        cnt1++; 
    }
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 648 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 64088 KB Output is correct
2 Correct 28 ms 64860 KB Output is correct
3 Correct 55 ms 72164 KB Output is correct
4 Correct 51 ms 72020 KB Output is correct
5 Correct 59 ms 72020 KB Output is correct
6 Correct 51 ms 72280 KB Output is correct
7 Correct 55 ms 73792 KB Output is correct
8 Correct 56 ms 73364 KB Output is correct
9 Correct 52 ms 73504 KB Output is correct
10 Correct 49 ms 72784 KB Output is correct
11 Correct 51 ms 72132 KB Output is correct
12 Correct 54 ms 71508 KB Output is correct
13 Correct 50 ms 71500 KB Output is correct
14 Correct 49 ms 73076 KB Output is correct
15 Correct 55 ms 73976 KB Output is correct
16 Correct 57 ms 74168 KB Output is correct
17 Correct 53 ms 71504 KB Output is correct
18 Correct 54 ms 71508 KB Output is correct
19 Correct 52 ms 71504 KB Output is correct
20 Correct 43 ms 72168 KB Output is correct
21 Correct 45 ms 72528 KB Output is correct
22 Correct 50 ms 72276 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 648 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Runtime error 648 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -