Submission #674144

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
674144	2022-12-23 10:25:50	QwertyPi	The grade (info1cup18_thegrade)	C++14	100 / 100	229 ms	11164 KiB

thegrade

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#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
using namespace std;
const int MOD = 1e9 + 7;
const int MAXN = 1e6 + 11;
int pm(int a, int b){
  return b == 0 ? 1 : pm(a * a % MOD, b / 2) * (b % 2 ? a : 1) % MOD;
}
int mi(int a){
  return pm(a, MOD - 2);
}
map<int, int> M; int s = 0;
int f[MAXN];
int32_t main(){
  f[0] = 1; for(int i = 1; i < MAXN; i++) f[i] = f[i - 1] * i % MOD;
  int q, e; cin >> q >> e; int k = 0;
  int mul = 1;
  for(int i = 0; i < q; i++){
    int t, v; cin >> t >> v;
    if(t == 0){
      M[v]++; s++; e -= v;
      mul = mul * mi(M[v]) % MOD;
    }else{
      mul = mul * M[v] % MOD;
 
 
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Compilation message (stderr)

thegrade.cpp: In function 'int32_t main()':
thegrade.cpp:22:31: warning: unused variable 'k' [-Wunused-variable]
   22 |  int q, e; cin >> q >> e; int k = 0;
      |                               ^

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 15 / 15
• Subtask 6: 15 / 15
• Subtask 7: 20 / 20