Submission #314467

#	Time	Username	Problem	Language	Result	Execution time	Memory
314467		FlashGamezzz	Automobil (COCI17_automobil)	C++17	50 / 100	28 ms	8224 KiB

automobil

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <fstream>
#include <algorithm>
#include <string>

using namespace std;

long long n, m, k, mod = 1000000007;
long long rp[1000000], cp[1000], cs = 0, sum = 0, ans = 0;

int main() {
	ios_base::sync_with_stdio(false);
	cin >> n >> m >> k;
	for (int i = 0; i < n; i++){
		rp[i] = 1;
	}
	for (int i = 0; i < m; i++){
		cp[i] = 1;
	}
	for (int i = 0; i < k; i++){
		string r; cin >> r;
		long long x, y; cin >> x >> y;
		if (r.compare("R") == 0){
			rp[x-1] *= y; rp[x-1] %= mod;
		} else {
			cp[x-1] *= y; cp[x-1] %= mod;
		}
	}
	for (long long i = 0; i < m; i++){
		cs += cp[i];
		sum += (i+1)*cp[i]; sum %= mod;
	}
	for (long long i = 0; i < n; i++){
		ans += sum*rp[i]; ans %= mod;
		sum += cs*m; sum %= mod;
	}
	cout << ans << endl;
}

• Subtask 1: 50 / 100