Submission #576527

#	Time	Username	Problem	Language	Result	Execution time	Memory
576527		Jassar	Fountain (eJOI20_fountain)	C++14	0 / 100	1589 ms	3948 KiB

fountain

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	ll n,q;
	cin >> n >> q;
	vector<pair<ll , ll>> v;
	stack<ll> s;
	ll p[n];
	for (ll i=0; n>i; i++)
    {
        p[i] = 0;
    }
    ll sum[n];
	for (ll i=0; n>i; i++)
    {
        ll a,b;
        cin >> a >> b;
        v.push_back({a , b});
        sum[i] = v[i].second;
        if (i > 0) sum[i] += sum[i-1];
    }
    while (q--)
    {
        ll a,b;
        cin >> a >> b;
        a--;
        for (ll i=0; n>i; i++)
        {
            if (a == 0 && sum[i] >= b)
            {
                cout << i + 1 << endl;
                a = -3;
                break;
            }
            if (a > 0 && sum[i] - sum[a - 1] >= b)
            {
                cout << i + 1 << endl;
                a = -3;
                break;
            }
        }
        if (a != -3)
        {
            cout << 0 << endl;
        }
    }
	return 0;
}

Compilation message (stderr)

fountain.cpp: In function 'int main()':
fountain.cpp:13:5: warning: variable 'p' set but not used [-Wunused-but-set-variable]
   13 |  ll p[n];
      |     ^

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40