Submission #1038891

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1038891	2024-07-30 08:42:06	vjudge1	Binaria (CCO23_day1problem1)	C++17	25 / 25	137 ms	18880 KiB

Main

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//ᗜˬᗜ
#include<bits/stdc++.h>
#define int long long
#define vi vector <int>
#define bs binary_search
#define lb lower_bound
#define ub upper_bound
#define pb emplace_back
#define fu(i, a, b) for(int i = (a); i < (b); i++)
#define fub(i, a, b) for(int i = (a); i <= (b); i++)
#define pii pair<int, int>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
const int lim = 1e18;
const int N = 1e6 + 3;
const int M = 1e9 + 7;
int n, k, res;
int a[N], mp[N];
int expo(int a, int b){
    if(b == 0)return 1;
    if(b%2 == 0)return expo((a*a)%N, b/2)%N;
    return (a*expo((a*a)%N, b/2))%N;
}
int bico(int n, int k){
    if(k > n or n < 0 or k < 0)return 0;
    int res = 1;
    fub(i, k+1, n)res = (res*i)%N;
    fub(i, 1, n-k)res = (res*expo(i, N-2))%N;
    return res;
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 4 / 4
• Subtask 4: 4 / 4
• Subtask 5: 4 / 4
• Subtask 6: 7 / 7