#include <iostream> using namespace std; int n, m, a[500000]; long long int d, b, l, s, r, t[500000]; int main() { ios_base::sync_with_stdio(0); cin >> n >> m; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < m; ++i) { cin >> d >> b; s = 0; r = d - l; l = d; for (int j = 0; j < n; ++j) { t[j] += r * a[j]; if (t[j] > b) { s += t[j] - b; t[j] = b; } } cout << s << endl; } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #include <iostream> using namespace std; int n, m, a[500000]; long long int d, b, l, s, r, t[500000]; int main() { ios_base::sync_with_stdio(0); cin >> n >> m; for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < m; ++i) { cin >> d >> b; s = 0; r = d - l; l = d; for (int j = 0; j < n; ++j) { t[j] += r * a[j]; if (t[j] > b) { s += t[j] - b; t[j] = b; } } cout << s << endl; } return 0; } |