답안 #40882 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
40882	2018-02-09T16:14:17 Z	gabrielsimoes	Boat (APIO16_boat)	C++14	31 / 100	1939 ms	8516 KB

boat

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const ll MOD = 1000000007;
const int MAXN = 510;

int n;
int va[MAXN], vb[MAXN];
vector<ll> dp[MAXN];

int main() {
	va[0] = vb[0] = 0;
	dp[0].push_back(1);

	scanf("%d", &n);
	for (int i = 1; i <= n; i++) {
		scanf("%d %d", &va[i], &vb[i]);
		dp[i].resize(vb[i] - va[i] + 1);
	}

	ll ans = 0;
	for (int i = 0; i <= n; i++) {
		for (int j = 0; j < dp[i].size(); j++) {
			if (j > 0) {
				dp[i][j] += dp[i][j-1];
			}

			if (i > 0) {
				ans += dp[i][j];
				ans %= MOD;
			}

			ll cur = va[i] + j;

			for (int k = i+1; k <= n; k++) {
				if (cur < vb[k]) {
					int pos = max(cur - va[k] + 1, 0LL);
					dp[k][pos] += dp[i][j];
					dp[k][pos] %= MOD;
				}
			}
		}
	}

	printf("%lld\n", ans);
}

Compilation message

boat.cpp: In function 'int main()':
boat.cpp:24:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < dp[i].size(); j++) {
                     ^
boat.cpp:16:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
boat.cpp:18:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &va[i], &vb[i]);
                                 ^

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	352 KB	Output is correct
3	Correct	2 ms	404 KB	Output is correct
4	Correct	2 ms	476 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	2 ms	708 KB	Output is correct
13	Correct	2 ms	708 KB	Output is correct
14	Correct	3 ms	708 KB	Output is correct
15	Correct	2 ms	708 KB	Output is correct
16	Correct	2 ms	708 KB	Output is correct
17	Correct	2 ms	708 KB	Output is correct
18	Correct	2 ms	708 KB	Output is correct
19	Correct	2 ms	708 KB	Output is correct
20	Correct	2 ms	708 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	352 KB	Output is correct
3	Correct	2 ms	404 KB	Output is correct
4	Correct	2 ms	476 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	2 ms	708 KB	Output is correct
13	Correct	2 ms	708 KB	Output is correct
14	Correct	3 ms	708 KB	Output is correct
15	Correct	2 ms	708 KB	Output is correct
16	Correct	2 ms	708 KB	Output is correct
17	Correct	2 ms	708 KB	Output is correct
18	Correct	2 ms	708 KB	Output is correct
19	Correct	2 ms	708 KB	Output is correct
20	Correct	2 ms	708 KB	Output is correct
21	Correct	1401 ms	7476 KB	Output is correct
22	Correct	1382 ms	7476 KB	Output is correct
23	Correct	1092 ms	7476 KB	Output is correct
24	Correct	1355 ms	7804 KB	Output is correct
25	Correct	1418 ms	7804 KB	Output is correct
26	Correct	1488 ms	8228 KB	Output is correct
27	Correct	1515 ms	8312 KB	Output is correct
28	Correct	1762 ms	8312 KB	Output is correct
29	Correct	1939 ms	8384 KB	Output is correct
30	Correct	809 ms	8492 KB	Output is correct
31	Correct	840 ms	8492 KB	Output is correct
32	Correct	833 ms	8516 KB	Output is correct
33	Correct	828 ms	8516 KB	Output is correct
34	Correct	863 ms	8516 KB	Output is correct
35	Correct	629 ms	8516 KB	Output is correct
36	Correct	529 ms	8516 KB	Output is correct
37	Correct	559 ms	8516 KB	Output is correct
38	Correct	641 ms	8516 KB	Output is correct

Subtask #3
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	4 ms	8516 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 42.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	252 KB	Output is correct
2	Correct	2 ms	352 KB	Output is correct
3	Correct	2 ms	404 KB	Output is correct
4	Correct	2 ms	476 KB	Output is correct
5	Correct	2 ms	476 KB	Output is correct
6	Correct	2 ms	476 KB	Output is correct
7	Correct	2 ms	532 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	2 ms	708 KB	Output is correct
13	Correct	2 ms	708 KB	Output is correct
14	Correct	3 ms	708 KB	Output is correct
15	Correct	2 ms	708 KB	Output is correct
16	Correct	2 ms	708 KB	Output is correct
17	Correct	2 ms	708 KB	Output is correct
18	Correct	2 ms	708 KB	Output is correct
19	Correct	2 ms	708 KB	Output is correct
20	Correct	2 ms	708 KB	Output is correct
21	Correct	1401 ms	7476 KB	Output is correct
22	Correct	1382 ms	7476 KB	Output is correct
23	Correct	1092 ms	7476 KB	Output is correct
24	Correct	1355 ms	7804 KB	Output is correct
25	Correct	1418 ms	7804 KB	Output is correct
26	Correct	1488 ms	8228 KB	Output is correct
27	Correct	1515 ms	8312 KB	Output is correct
28	Correct	1762 ms	8312 KB	Output is correct
29	Correct	1939 ms	8384 KB	Output is correct
30	Correct	809 ms	8492 KB	Output is correct
31	Correct	840 ms	8492 KB	Output is correct
32	Correct	833 ms	8516 KB	Output is correct
33	Correct	828 ms	8516 KB	Output is correct
34	Correct	863 ms	8516 KB	Output is correct
35	Correct	629 ms	8516 KB	Output is correct
36	Correct	529 ms	8516 KB	Output is correct
37	Correct	559 ms	8516 KB	Output is correct
38	Correct	641 ms	8516 KB	Output is correct
39	Runtime error	4 ms	8516 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
40	Halted	0 ms	0 KB	-

답안 #40882

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 22.0 / 22.0

Subtask #3 0 / 27.0

Subtask #4 0 / 42.0

Subtask #1
9.0 / 9.0

Subtask #2
22.0 / 22.0

Subtask #3
0 / 27.0

Subtask #4
0 / 42.0