Submission #474577

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
474577	2021-09-19 07:11:28	egod1537	팔찌 (kriii4_V)	C++14	6 / 100	1094 ms	16076 KiB

V

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod = 1e9 + 7;
typedef pair<ll, ll> pi;
#define var first
#define cnt second
ll pwk[2000001];
ll pow(ll x, ll cnt) {
  if (cnt == 0) return 1;
  ll mid = pow(x, cnt >> 1)%mod;
  return (((mid * mid)%mod) * (cnt % 2 ? x : 1)) % mod;
}
ll revmod(ll x) { return pow(x, mod - 2) % mod; } 
vector<pi> getfactor(ll num) {
  vector<pi> ans;
  for (ll i = 2; i * i <= num; i++) {
    pi p = pi(i, 0);
    while (num % i == 0) {
      p.cnt++;
      num /= i;
    }
    if (p.cnt > 0) ans.push_back(p);
  }
  if (num > 1) ans.push_back(pi(num, 1));
 
 
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Compilation message (stderr)

V.cpp: In function 'll eulerp(std::vector<std::pair<long long int, long long int> >&, std::vector<std::vector<long long int> >&)':
V.cpp:36:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |  for (int i = 0; i < factor.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~~
V.cpp: In function 'll dfs(int, ll, ll, std::vector<std::pair<long long int, long long int> >&, std::vector<std::pair<long long int, long long int> >&, std::vector<std::vector<long long int> >&)':
V.cpp:44:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |  if (num == arr.size()) return eulerp(dq, psum)*pwk[now];
      |      ~~~~^~~~~~~~~~~~~
V.cpp: In function 'll func(ll, ll)':
V.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for (int i = 0; i < fact.size(); i++) {
      |                  ~~^~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 0 / 94