結果
| 問題 |
No.435 占い(Extra)
|
| コンテスト | |
| ユーザー |
kei
|
| 提出日時 | 2020-01-05 23:39:26 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,763 ms / 2,000 ms |
| コード長 | 2,875 bytes |
| コンパイル時間 | 1,634 ms |
| コンパイル使用メモリ | 168,000 KB |
| 実行使用メモリ | 23,168 KB |
| 最終ジャッジ日時 | 2024-10-08 12:31:45 |
| 合計ジャッジ時間 | 26,141 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 32 |
コンパイルメッセージ
main.cpp: In function 'void init_primes()':
main.cpp:27:23: warning: iteration 9999998 invokes undefined behavior [-Waggressive-loop-optimizations]
27 | if(!divprime[i]){
| ~~~~~~~~~~^
main.cpp:26:21: note: within this loop
26 | for(ll i = 2; i <= MAX_PRIME;i++){
| ~~^~~~~~~~~~~~
ソースコード
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; }
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/434>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
const int MAX_PRIME = 1e7;
short divprime[MAX_PRIME];
void init_primes(){
for(ll i = 2; i <= MAX_PRIME;i++){
if(!divprime[i]){
for(ll j = i*i; j <= MAX_PRIME;j+=i) divprime[j]=i;
}
}
}
const ll MOD = 9;
// a^b % MOD;
ll powmod(ll a,ll b) {ll res=1;a%=MOD; for(;b;b>>=1){if(b&1)res=res*a%MOD;a=a*a%MOD;}return res;}
template<class Type>
Type solve(Type res = Type()){
init_primes();
int T; scanf("%d",&T);// cin >> T;
while(T--){
ll N,X,A,B,M;
scanf("%lld %lld %lld %lld %lld",&N,&X,&A,&B,&M);
//cin >> N >> X >> A >> B >> M;
ll ans = 0;
int num[10] = {};
for(int i = 0; i < N;i++){
if(num[3] < 2){
ll x = 1;
for(int j = 2; j < 9;j++) x *= powmod(j,num[j]);
ans += x*(X%10);
}else{
ans += 9*(X%10);
}
if(i < N-1){
ll x = N-1-i;
ll y = 1+i;
while(divprime[x]){ num[divprime[x]%9]++; x /= divprime[x];}
num[x%9]++;
while(divprime[y]){ num[divprime[y]%9]--; y /= divprime[y];}
num[y%9]--;
}
X = ((X^A)+B)%M;
}
while(ans>=10) ans = ans%10+ans/10;
cout << ans << endl;
}
return res;
}
int main(void) {
// cin.tie(0); ios::sync_with_stdio(false);
solve<ll>(0);
//cout << fixed << setprecision(12) << solve<ll>() << endl;
return 0;
}
kei