Submission #279117

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
279117	2020-08-22T04:37:16 Z	ChrisT	Remittance (JOI19_remittance)	C++17	100 / 100	416 ms	20856 KB

remittance

#include <bits/stdc++.h>
using namespace std;
#define lc ind<<1
#define rc ind<<1|1
const int MN = 1e6 + 5;
int n, a[MN], b[MN];
int main () {
	scanf ("%d",&n);
	long long sumA = 0, sumB = 0;
	for (int i = 0; i < n; i++) {
		scanf ("%d %d",&a[i],&b[i]);
		sumA += a[i]; sumB += b[i];
	}
	bool change = 1;
	while (change) {
		change = 0;
		for (int i = 0; i < n; i++) {
			int diff = a[i] - b[i];
			if (diff <= 0) continue;
			int take = max(diff - (diff&1),2);
			if (a[i] - take < 0) continue;
			if ((sumA - take/2) < sumB) continue;
			change = 1; sumA -= take/2;
			a[i] -= take; a[(i+1)%n] += take/2;
		}
	}
	for (int i = 0; i < n; i++) if (b[i] != a[i]) return !printf ("No\n");
	printf ("Yes\n");
	return 0;
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:8:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf ("%d",&n);
      |  ~~~~~~^~~~~~~~~
remittance.cpp:11:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |   scanf ("%d %d",&a[i],&b[i]);
      |   ~~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	0 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	0 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct

Subtask #2
40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	0 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	0 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	0 ms	384 KB	Output is correct
41	Correct	0 ms	384 KB	Output is correct
42	Correct	1 ms	416 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	0 ms	384 KB	Output is correct
47	Correct	1 ms	384 KB	Output is correct
48	Correct	1 ms	384 KB	Output is correct
49	Correct	1 ms	384 KB	Output is correct
50	Correct	0 ms	384 KB	Output is correct
51	Correct	0 ms	384 KB	Output is correct
52	Correct	1 ms	384 KB	Output is correct
53	Correct	1 ms	384 KB	Output is correct
54	Correct	1 ms	384 KB	Output is correct
55	Correct	1 ms	384 KB	Output is correct
56	Correct	1 ms	384 KB	Output is correct
57	Correct	1 ms	384 KB	Output is correct
58	Correct	0 ms	384 KB	Output is correct
59	Correct	1 ms	384 KB	Output is correct
60	Correct	1 ms	384 KB	Output is correct
61	Correct	0 ms	384 KB	Output is correct
62	Correct	1 ms	384 KB	Output is correct

Subtask #3
45.0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	0 ms	384 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	0 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	0 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct
29	Correct	0 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	384 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	1 ms	384 KB	Output is correct
40	Correct	0 ms	384 KB	Output is correct
41	Correct	0 ms	384 KB	Output is correct
42	Correct	1 ms	416 KB	Output is correct
43	Correct	1 ms	384 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	0 ms	384 KB	Output is correct
47	Correct	1 ms	384 KB	Output is correct
48	Correct	1 ms	384 KB	Output is correct
49	Correct	1 ms	384 KB	Output is correct
50	Correct	0 ms	384 KB	Output is correct
51	Correct	0 ms	384 KB	Output is correct
52	Correct	1 ms	384 KB	Output is correct
53	Correct	1 ms	384 KB	Output is correct
54	Correct	1 ms	384 KB	Output is correct
55	Correct	1 ms	384 KB	Output is correct
56	Correct	1 ms	384 KB	Output is correct
57	Correct	1 ms	384 KB	Output is correct
58	Correct	0 ms	384 KB	Output is correct
59	Correct	1 ms	384 KB	Output is correct
60	Correct	1 ms	384 KB	Output is correct
61	Correct	0 ms	384 KB	Output is correct
62	Correct	1 ms	384 KB	Output is correct
63	Correct	416 ms	11000 KB	Output is correct
64	Correct	211 ms	11972 KB	Output is correct
65	Correct	404 ms	12008 KB	Output is correct
66	Correct	202 ms	12152 KB	Output is correct
67	Correct	207 ms	13472 KB	Output is correct
68	Correct	231 ms	15736 KB	Output is correct
69	Correct	379 ms	10576 KB	Output is correct
70	Correct	190 ms	12152 KB	Output is correct
71	Correct	227 ms	13432 KB	Output is correct
72	Correct	240 ms	15824 KB	Output is correct
73	Correct	366 ms	10744 KB	Output is correct
74	Correct	188 ms	12152 KB	Output is correct
75	Correct	235 ms	13432 KB	Output is correct
76	Correct	230 ms	15796 KB	Output is correct
77	Correct	383 ms	10616 KB	Output is correct
78	Correct	262 ms	19708 KB	Output is correct
79	Correct	278 ms	19832 KB	Output is correct
80	Correct	294 ms	19740 KB	Output is correct
81	Correct	301 ms	19832 KB	Output is correct
82	Correct	162 ms	12048 KB	Output is correct
83	Correct	154 ms	12024 KB	Output is correct
84	Correct	215 ms	12024 KB	Output is correct
85	Correct	403 ms	11020 KB	Output is correct
86	Correct	386 ms	10972 KB	Output is correct
87	Correct	283 ms	20776 KB	Output is correct
88	Correct	318 ms	20856 KB	Output is correct

Submission #279117

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 40.0 / 40.0

Subtask #3 45.0 / 45.0

Subtask #1
15.0 / 15.0

Subtask #2
40.0 / 40.0

Subtask #3
45.0 / 45.0