#include <cassert>
#include <cmath>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <climits>
#include <map>
#include <queue>
#include <set>
#include <cstring>
#include <vector>

using namespace std;
typedef long long ll;

ll A[5010];
ll B[5010];
ll dp[5010][5010];

int main() {
  int N, C;
  cin >> N >> C;
  vector<ll> P(N);

  for (int i = 0; i < N; ++i) {
    cin >> P[i];
  }

  int ia = 0;
  int ib = 0;
  for (int i = 0; i < C; ++i) {
    ll t, x;
    cin >> t >> x;

    if (t == 1) {
      A[ia++] = x;
    } else {
      B[ib++] = x;
    }
  }

  sort(A, A + ia, greater<ll>());
  sort(B, B + ib, greater<ll>());

  for (int i = N; i >= 0; --i) {
    for (int j = 0; j < i + 1; ++j) {
      if (i == N) {
        dp[i][j] = 0;
      } else {
        ll p1 = max(0LL, P[i] - A[j]) + dp[i + 1][j + 1];
        ll p2 = P[i] * (100 - B[i - j]) / 100 + dp[i + 1][j];
        dp[i][j] = min(p1, p2);
      }
    }
  }

  cout << dp[0][0] << endl;

  return 0;
}