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Submission #402546

# Submission time Handle Problem Language Result Execution time Memory
402546 2021-05-11T23:10:21 Z penguinhacker A Game with Grundy (CCO20_day1problem1) C++14
25 / 25
 72 ms 4876 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=1e5;
int n, a, b, y, ans[mxN+1];
ar<int, 2> e[2*mxN+1];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> a >> b >> y;
	for (int i=0; i<n; ++i) {
		ll x, v, h;
		cin >> x >> v >> h;
		ll w=(y*h-1)/v;
		// [x-w, x+w]
		int l=max((ll)a, x-w);
		int r=min((ll)b, x+w);
		e[2*i]={l, 1};
		e[2*i+1]={r+1, -1};
	}
	sort(e, e+2*n);
	e[2*n]={b+1, 0};
	int last=a, cur=0;
	for (int i=0; i<=2*n; ++i) {
		int x=e[i][0], inc=e[i][1];
		ans[cur]+=x-last, last=x, cur+=inc;
	}
	for (int i=0; i<=n; ++i) {
		ans[i]+=i?ans[i-1]:0;
		cout << ans[i] << "\n";
	}
	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 60 ms 4140 KB Output is correct
4 Correct 58 ms 4420 KB Output is correct
5 Correct 58 ms 4204 KB Output is correct
6 Correct 49 ms 3652 KB Output is correct
7 Correct 50 ms 3732 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 60 ms 4140 KB Output is correct
4 Correct 58 ms 4420 KB Output is correct
5 Correct 58 ms 4204 KB Output is correct
6 Correct 49 ms 3652 KB Output is correct
7 Correct 50 ms 3732 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 60 ms 4688 KB Output is correct
10 Correct 61 ms 4876 KB Output is correct
11 Correct 60 ms 4796 KB Output is correct
12 Correct 72 ms 4768 KB Output is correct
13 Correct 52 ms 4036 KB Output is correct