Submission #274915

#	Time	Username	Problem	Language	Result	Execution time	Memory
274915		shrek12357	Automobil (COCI17_automobil)	C++14	0 / 100	33 ms	16000 KiB

automobil

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
using namespace std;

#define MOD 1000000007
#define MAXN 1000005

int main() {
	long long n, m, k;
	cin >> n >> m >> k;
	long long rows[MAXN], cols[MAXN];
	for (int i = 0; i < MAXN; i++) {
		rows[i] = 1;
		cols[i] = 1;
	}
	for (int i = 0; i < k; i++) {
		char c;
		long long a, b;
		cin >> c >> a >> b;
		if (c == 'R') {
			rows[a] = (rows[a]*b + MOD)%MOD;
		}
		else {
			cols[a] = (cols[a] * b + MOD) % MOD;
		}
	}
	long long num1 = 0, num2 = 0;
	for (int i = 1; i <= m; i++) {
		num1 = (num1 + cols[i]) % MOD;
		num2 = (num2 + i * cols[i]) % MOD;
	}
	long long ans = 0;
	for (int i = 1; i <= n; i++) {
		ans = (ans + rows[i]*(num2 + (i - 1)*m*num1)) % MOD;
	}
	cout << ans << endl;
}

• Subtask 1: 0 / 100