Submission #587195

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
587195	2022-07-01 13:10:17	keta_tsimakuridze	Sumtree (INOI20_sumtree)	C++14	10 / 100	311 ms	73560 KiB

Main

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#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 3e5 + 5, mod = 1e9 + 7; // !
int  tmout[N], tmin[N], timer, ans, n, a[N], t_sz[N], t[N];
int p[N][25];
vector<int> V[N];
int fact[2 * N], invfact[2 * N], sz[N];
int pwr(int u, int v) {
    int ans = 1;
    while(v) {
        if(v % 2) ans = ans * u % mod;
        v /= 2;
        u = u * u % mod;
    }
    return ans;
}
int C(int a, int b) {
    if(a < b) return 0;
    return fact[a] * invfact[b] % mod * invfact[a - b] % mod;
}
int sb(int a, int b) {
    return C(a + b - 1, b - 1);
}
void dfs(int u,int P) {
    tmin[u] = ++timer;
 
 
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Compilation message (stderr)

Main.cpp: In function 'void dfs(long long int, long long int)':
Main.cpp:33:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i = 0; i < V[u].size(); i++) {
      |                    ~~^~~~~~~~~~~~~
Main.cpp: At global scope:
Main.cpp:86:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   86 | main(){
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30