제출 #871121

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
871121	2023-11-10 00:22:51	MinaRagy06	NoM (RMI21_nom)	C++17	100 / 100	211 ms	63608 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;
const int mod = 1e9 + 7;
struct mint {
  int v;
  mint(long long x) {
    if (x >= mod) x %= mod;
    v = x;
  }
  mint() {v = 0;}
  mint& operator+=(mint b) {
    if ((v += b.v) >= mod) {
      v -= mod;
    }
    return *this;
  }
  mint& operator-=(mint b) {
    if ((v -= b.v) < 0) {
      v += mod;
    }
    return *this;
  }
  mint& operator*=(mint b) {
    v = 1ll * v * b.v % mod;
    return *this;
  }
  mint power(mint a, int b) {
    mint ans = 1;
 
 
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