제출 #1204121

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1204121		FaresSTH	9월 (APIO24_september)	C++20	0 / 100	0 ms	324 KiB

september

#include"bits/stdc++.h"
using namespace std;
using ll=long long;
#define S second
#define F first
const ll b=277,md=1e9+277;
int solve(int n,int m,vector<int>f,vector<vector<int>>s){
    ll res=0,h[m]={},pw[n];
    pw[0]=1;
    for(int i=1;i<n;i++)pw[i]=pw[i-1]*b%md;
    for(int i=0;i<n;i++){
        bool f=1;
        for(int j=0;j<m;j++){
            h[j]=(h[j]+pw[s[j][i]])%md;
            if(h[j]!=h[0])f=0;
        }
        res+=f;
    }
    return res;
}

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