답안 #963455

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
963455	2024-04-15T03:44:16 Z	noobcodur	송금 (JOI19_remittance)	C++14	100 / 100	166 ms	36496 KB

remittance

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

using ld = long double;

#define int long long
#define pii pair<int,int>
#define forn(i,j) for(int i = 0; i < j; ++i)
#define forrange(i,j,k) for(int i = j; i < k; ++i)
#define vi vector<int>
#define vpii vector<pii>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()

const int MOD = 1e9+7; const int INF = 1e17+1; const int maxN = 1e6+1;

void setIO(string name){
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	if(!name.empty()){
		freopen((name + ".in").c_str(),"r",stdin);
		freopen((name + ".out").c_str(),"w",stdout);
	}
}

int a[maxN],b[maxN];

signed main(){
	setIO("");
	int n; cin >> n;

	forn(i,n) cin >> a[i] >> b[i];

	while(maxN){
		int freq = 0;

		forn(i,n){
			if(a[i] <= b[i]) continue;
			int x = (a[i]-b[i]+1)/2;

			if(x && a[i] - 2*x >= 0){
				a[i] -= 2*x;
				a[(i+1) % n] += x;

				freq++;
			}
		}

		if(!freq) break;
	}

	forn(i,n){
		if(a[i] != b[i]){
			cout << "No" << endl;
			return 0;
		}
	}

	cout << "Yes" << endl;
}

Compilation message

remittance.cpp: In function 'void setIO(std::string)':
remittance.cpp:24:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |   freopen((name + ".in").c_str(),"r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
remittance.cpp:25:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |   freopen((name + ".out").c_str(),"w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2440 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2512 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2400 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct

Subtask #2
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2440 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2512 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2400 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2400 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2404 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	0 ms	2512 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	1 ms	2396 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2404 KB	Output is correct
44	Correct	1 ms	2400 KB	Output is correct
45	Correct	1 ms	2400 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	1 ms	2404 KB	Output is correct
48	Correct	1 ms	2392 KB	Output is correct
49	Correct	1 ms	2404 KB	Output is correct
50	Correct	1 ms	2400 KB	Output is correct
51	Correct	1 ms	2392 KB	Output is correct
52	Correct	1 ms	2396 KB	Output is correct
53	Correct	1 ms	2396 KB	Output is correct
54	Correct	1 ms	2400 KB	Output is correct
55	Correct	1 ms	2396 KB	Output is correct
56	Correct	1 ms	2404 KB	Output is correct
57	Correct	1 ms	2404 KB	Output is correct
58	Correct	1 ms	2400 KB	Output is correct
59	Correct	1 ms	2524 KB	Output is correct
60	Correct	1 ms	2400 KB	Output is correct
61	Correct	1 ms	2396 KB	Output is correct
62	Correct	1 ms	2404 KB	Output is correct

Subtask #3
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2392 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2644 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2440 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	0 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	0 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	0 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2512 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2392 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	1 ms	2396 KB	Output is correct
28	Correct	1 ms	2400 KB	Output is correct
29	Correct	1 ms	2396 KB	Output is correct
30	Correct	1 ms	2392 KB	Output is correct
31	Correct	2 ms	2396 KB	Output is correct
32	Correct	1 ms	2396 KB	Output is correct
33	Correct	1 ms	2396 KB	Output is correct
34	Correct	1 ms	2396 KB	Output is correct
35	Correct	1 ms	2400 KB	Output is correct
36	Correct	1 ms	2652 KB	Output is correct
37	Correct	1 ms	2404 KB	Output is correct
38	Correct	1 ms	2396 KB	Output is correct
39	Correct	0 ms	2512 KB	Output is correct
40	Correct	1 ms	2396 KB	Output is correct
41	Correct	1 ms	2396 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2404 KB	Output is correct
44	Correct	1 ms	2400 KB	Output is correct
45	Correct	1 ms	2400 KB	Output is correct
46	Correct	1 ms	2396 KB	Output is correct
47	Correct	1 ms	2404 KB	Output is correct
48	Correct	1 ms	2392 KB	Output is correct
49	Correct	1 ms	2404 KB	Output is correct
50	Correct	1 ms	2400 KB	Output is correct
51	Correct	1 ms	2392 KB	Output is correct
52	Correct	1 ms	2396 KB	Output is correct
53	Correct	1 ms	2396 KB	Output is correct
54	Correct	1 ms	2400 KB	Output is correct
55	Correct	1 ms	2396 KB	Output is correct
56	Correct	1 ms	2404 KB	Output is correct
57	Correct	1 ms	2404 KB	Output is correct
58	Correct	1 ms	2400 KB	Output is correct
59	Correct	1 ms	2524 KB	Output is correct
60	Correct	1 ms	2400 KB	Output is correct
61	Correct	1 ms	2396 KB	Output is correct
62	Correct	1 ms	2404 KB	Output is correct
63	Correct	166 ms	35352 KB	Output is correct
64	Correct	87 ms	19968 KB	Output is correct
65	Correct	165 ms	35184 KB	Output is correct
66	Correct	90 ms	19956 KB	Output is correct
67	Correct	101 ms	21360 KB	Output is correct
68	Correct	103 ms	23532 KB	Output is correct
69	Correct	163 ms	35432 KB	Output is correct
70	Correct	87 ms	19824 KB	Output is correct
71	Correct	92 ms	21376 KB	Output is correct
72	Correct	104 ms	23532 KB	Output is correct
73	Correct	160 ms	35312 KB	Output is correct
74	Correct	86 ms	19808 KB	Output is correct
75	Correct	95 ms	21376 KB	Output is correct
76	Correct	103 ms	23512 KB	Output is correct
77	Correct	155 ms	35408 KB	Output is correct
78	Correct	127 ms	27560 KB	Output is correct
79	Correct	143 ms	27476 KB	Output is correct
80	Correct	123 ms	27504 KB	Output is correct
81	Correct	122 ms	27628 KB	Output is correct
82	Correct	74 ms	19792 KB	Output is correct
83	Correct	85 ms	19956 KB	Output is correct
84	Correct	75 ms	19996 KB	Output is correct
85	Correct	158 ms	36496 KB	Output is correct
86	Correct	161 ms	36432 KB	Output is correct
87	Correct	121 ms	28756 KB	Output is correct
88	Correct	123 ms	28752 KB	Output is correct

답안 #963455

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