Submission #571988

#	Time	Username	Problem	Language	Result	Execution time	Memory
571988		8e7	Ants and Sugar (JOI22_sugar)	C++17	6 / 100	4070 ms	1536 KiB

sugar

//Challenge: Accepted
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ...b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 100005
#define pii pair<ll, ll>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
int main() {
	io
	int q, l;
	cin >> q >> l;
	vector<pii> v1, v2, t2;
	while (q--) {
		{
			int t, x;
			ll v;
			cin >> t >> x >> v;
			if (t == 1) {
				v1.push_back({x, v});
			} else {
				t2.push_back({x, v});
			}
		}
		v2 = t2;
		sort(v1.begin(), v1.end());
		sort(v2.begin(), v2.end());
		int ind = 0;
		ll ans = 0;
		for (int i = 0;i < v1.size();i++) {
			ll tmp = v1[i].ss;
			while (ind < v2.size()) {
				if (v2[ind].ff < v1[i].ff - l) ind++;
				else if (v2[ind].ff > v1[i].ff + l) {
					break;
				} else if (v2[ind].ss < tmp) {
					ans += v2[ind].ss;
					tmp -= v2[ind].ss;
					ind++;
				} else {
					ans += tmp;
					v2[ind].ss -= tmp;
					break;
				}
			}
		}
		cout << ans << "\n";
	}
}

Compilation message (stderr)

sugar.cpp: In function 'int main()':
sugar.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for (int i = 0;i < v1.size();i++) {
      |                  ~~^~~~~~~~~~~
sugar.cpp:44:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    while (ind < v2.size()) {
      |           ~~~~^~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 0 / 16
• Subtask 3: 0 / 26
• Subtask 4: 0 / 52