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Submission #223349

# Submission time Handle Problem Language Result Execution time Memory
223349 2020-04-15T07:38:23 Z spacewalker Remittance (JOI19_remittance) C++14
55 / 100
 420 ms 83364 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
	int n; scanf("%d", &n);
	vector<ll> before(n), after(n);
	for (int i = 0; i < n; ++i) {
		scanf("%lld %lld", &before[i], &after[i]);
	}
	ll sanity = 0;
	for (int i = 0; i < n; ++i) if (before[i] != after[i]) ++sanity;
	if (sanity == 0) {
		printf("Yes\n");
		return 0;
	}
	sanity = 0;
	for (int x : after) sanity += x;
	if (sanity == 0) {
		printf("No\n");
		return 0;
	}
	vector<ll> negDelta(n);
	for (int i = 0; i < n; ++i) negDelta[i] = before[i] - after[i];
	vector<ll> ans(n, -1); for (int i = 0; i < n; ++i) {
		ll multiplier = (1 << (n - 1));
		ll potValue = 0;
		for (int offset = 0; offset < n; ++offset) {
			potValue += multiplier * negDelta[(i - offset + n) % n];
			multiplier /= 2;
		}
// 		printf("%d att potValue %lld\n", i, potValue);
		if (potValue >= 0 && potValue % ((1 << n) - 1) == 0) {
			ans[i] = potValue / ((1 << n) - 1);	
		}
	}
	for (int i = 0; i < n; ++i) {
		if (ans[i] == -1) {
			printf("No\n");
			return 0;
		}
	}
	printf("Yes\n");
	return 0;
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:7:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d", &n);
         ~~~~~^~~~~~~~~~
remittance.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &before[i], &after[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 288 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 512 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 288 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 5 ms 256 KB Output is correct
37 Correct 5 ms 256 KB Output is correct
38 Correct 5 ms 256 KB Output is correct
39 Correct 5 ms 400 KB Output is correct
40 Correct 5 ms 256 KB Output is correct
41 Correct 5 ms 256 KB Output is correct
42 Correct 4 ms 256 KB Output is correct
43 Correct 5 ms 256 KB Output is correct
44 Correct 5 ms 256 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 256 KB Output is correct
47 Correct 5 ms 256 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 256 KB Output is correct
50 Correct 5 ms 256 KB Output is correct
51 Correct 4 ms 256 KB Output is correct
52 Correct 5 ms 256 KB Output is correct
53 Correct 5 ms 256 KB Output is correct
54 Correct 5 ms 256 KB Output is correct
55 Correct 5 ms 256 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 5 ms 256 KB Output is correct
58 Correct 5 ms 256 KB Output is correct
59 Correct 5 ms 256 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 5 ms 256 KB Output is correct
62 Correct 5 ms 384 KB Output is correct

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 4 ms 256 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 4 ms 288 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 256 KB Output is correct
36 Correct 5 ms 256 KB Output is correct
37 Correct 5 ms 256 KB Output is correct
38 Correct 5 ms 256 KB Output is correct
39 Correct 5 ms 400 KB Output is correct
40 Correct 5 ms 256 KB Output is correct
41 Correct 5 ms 256 KB Output is correct
42 Correct 4 ms 256 KB Output is correct
43 Correct 5 ms 256 KB Output is correct
44 Correct 5 ms 256 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 256 KB Output is correct
47 Correct 5 ms 256 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 256 KB Output is correct
50 Correct 5 ms 256 KB Output is correct
51 Correct 4 ms 256 KB Output is correct
52 Correct 5 ms 256 KB Output is correct
53 Correct 5 ms 256 KB Output is correct
54 Correct 5 ms 256 KB Output is correct
55 Correct 5 ms 256 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 5 ms 256 KB Output is correct
58 Correct 5 ms 256 KB Output is correct
59 Correct 5 ms 256 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 5 ms 256 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Runtime error 420 ms 83364 KB Execution killed with signal 8 (could be triggered by violating memory limits)
64 Halted 0 ms 0 KB -