Submission #1046517

# Submission time Handle Problem Language Result Execution time Memory
1046517 2024-08-06T16:04:34 Z Halym2007 Boat (APIO16_boat) C++17
9 / 100
1399 ms 524288 KB
#include <bits/stdc++.h>
using namespace std;
const int N = 5e2 + 5;
const int NN = 1e6 + 5;
#define ll long long
ll a[N], b[N];
int dp[N], mod = 1e9 + 7, n, p[NN];
map <ll, int> m;
int main () {
//	freopen ("input.txt", "r", stdin);
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i] >> b[i];
	}
	for (int i = 1; i <= n; ++i) {
		for (int j = a[i]; j <= b[i]; ++j) {
			m[j] = 1;
		}
	}
	int san = 0;
	for (auto i : m) {
		m[i.first] = ++san;
	}
	for (int i = 1; i <= n; ++i) {
		a[i] = m[a[i]]; b[i] = m[b[i]];
	}
	dp[0] = 1;
	for (int i = 1; i <= n; ++i) {
		for (int j = 0; j < b[i]; ++j) {
			p[j] = dp[j];
			if (j) {
				p[j] += p[j - 1];
				p[j] %= mod;
			}
		}
		for (int j = b[i]; j >= a[i]; j--) {
			int sum = p[j - 1];
			dp[j] += sum;
			dp[j] %= mod;
		}
	}
	int jog = 0;
	for (int i = 1; i <= san; ++i) {
		jog += dp[i];
		jog %= mod;
	}
	cout << jog;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Runtime error 29 ms 1108 KB Execution killed with signal 11
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1399 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Runtime error 29 ms 1108 KB Execution killed with signal 11
22 Halted 0 ms 0 KB -