Submission #1071440

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071440		vjudge1	Addk (eJOI21_addk)	C++17	0 / 100	388 ms	1048576 KiB

Main

#include <iostream>
#include <vector>
using namespace std;
using ll = long long int;

const int N = 100002;
ll n, K;
int a[N], q;
short int op;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);

	cin >> n >> K;
	for (int i = 1; i <= n; ++i)
		cin >> a[i];

	vector<vector<ll>> pref(n + 1, vector<ll>(n + 1, 0));
	for (int i = 1; i <= n; ++i)
		pref[i][1] = pref[i - 1][1] + a[i];

	for (int m = 2; m <= n; ++m) 
		for (int i = m; i <= n; ++i) 
			pref[i][m] = pref[i - 1][m] + pref[i][1] - pref[max(0, i-m)][1];

	cout << endl;
	for (int m = 1; m <= n; ++m) {
		for (int i = 1; i <= n; ++i)
			cout << pref[i][m] << ' ';
		cout << endl;
	}

	q; cin >> q;
	for (int tc = 1; tc <= q; ++tc) {
		cin >> op;
		if (op == 1) {
			int x; cin >> x;
			continue;
		} 
		else {
			int l, r, m;
			cin >> l >> r >> m;
			cout << pref[r][m] - pref[l+m-2][m] << '\n';
		}
	}
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:34:2: warning: statement has no effect [-Wunused-value]
   34 |  q; cin >> q;
      |  ^

• Subtask 1: 0 / 36
• Subtask 2: 0 / 56
• Subtask 3: 0 / 8