#include <stdio.h>

void merge_sort(int x[], int n)
{
	static int y[5001] = {};
	if (n <= 1) return;
	merge_sort(&(x[0]), n/2);
	merge_sort(&(x[n/2]), (n+1)/2);
	
	int i, p, q;
	for (i = 0, p = 0, q = n/2; i < n; i++) {
		if (p >= n/2) y[i] = x[q++];
		else if (q >= n) y[i] = x[p++];
		else y[i] = (x[p] < x[q])? x[p++]: x[q++];
	}
	for (i = 0; i < n; i++) x[i] = y[i];
}

long long chmin(long long* a, long long b)
{
	if (*a > b) *a = b;
}

int main()
{
	int i, N, C, c[2] = {}, P[5001], T, X, x[2][5001];
	scanf("%d %d", &N, &C);
	for (i = 0; i < N; i++) scanf("%d", &(P[i]));
	for (i = 1; i <= C; i++) {
		scanf("%d %d", &T, &X);
		T--;
		x[T][c[T]++] = X;
	}
	merge_sort(P, N);
	merge_sort(x[0], c[0]);
	merge_sort(x[1], c[1]);
	
	int j, k, cur, prev;
	const long long sup = 1LL << 60;
	long long dp[2][5001] = {};
	for (i = 0; i < N - C; i++) dp[0][0] += P[i];
	for (j = 1; j <= c[0]; j++) dp[0][j] = sup;
	for (k = i, cur = 1, prev = 0; i < N; i++, cur ^= 1, prev ^= 1) {
		for (j = 0; j <= c[0]; j++) dp[cur][j] = (i - j - k >= 0 && i - j - k < c[1] && dp[prev][j] < sup)? dp[prev][j] + P[i] / 100 * (100 - x[1][i-j-k]): sup; 
		for (j = 0; j < c[0]; j++) chmin(&(dp[cur][j+1]), dp[prev][j] + ((P[i] < x[0][j])? 0: P[i] - x[0][j]));
	}
	
	long long ans = sup;
	for (j = 0; j <= c[0]; j++) chmin(&ans, dp[prev][j]);
	printf("%lld\n", ans);
	fflush(stdout);
	return 0;
}