답안 #484402

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
484402	2021-11-03T08:50:25 Z	Valera_Grinenko	송금 (JOI19_remittance)	C++17	100 / 100	493 ms	15948 KB

remittance

#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#include <ctime>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// template<class T>
// using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int main() {

  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

  int n;

  cin >> n;

  vector<pair<ll, ll> > a(n);

  for(auto& x : a) cin >> x.fi >> x.se;

  for(int i = 0; i < 30 * n; i++) {
    ll bl = a[i % n].fi - a[i % n].se;
    if(bl < 0) continue;
    ll leftover = (bl + 1) / 2;
    if(leftover * 2 > a[i % n].fi) leftover--;
    a[i % n].fi -= leftover * 2;
    a[(i + 1) % n].fi += leftover;
  }

  for(int i = 0; i < n; i++)
    if(a[i].fi != a[i].se) {
      cout << "No\n";
      return 0;
    }

  cout << "Yes\n";

  return 0;
}
/*
i see
*/

Compilation message

remittance.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct

Subtask #2
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	0 ms	204 KB	Output is correct
46	Correct	0 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	0 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	0 ms	204 KB	Output is correct
52	Correct	0 ms	204 KB	Output is correct
53	Correct	0 ms	204 KB	Output is correct
54	Correct	0 ms	204 KB	Output is correct
55	Correct	0 ms	204 KB	Output is correct
56	Correct	0 ms	204 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	0 ms	204 KB	Output is correct
60	Correct	0 ms	204 KB	Output is correct
61	Correct	0 ms	204 KB	Output is correct
62	Correct	0 ms	204 KB	Output is correct

Subtask #3
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	0 ms	204 KB	Output is correct
46	Correct	0 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	0 ms	204 KB	Output is correct
50	Correct	0 ms	204 KB	Output is correct
51	Correct	0 ms	204 KB	Output is correct
52	Correct	0 ms	204 KB	Output is correct
53	Correct	0 ms	204 KB	Output is correct
54	Correct	0 ms	204 KB	Output is correct
55	Correct	0 ms	204 KB	Output is correct
56	Correct	0 ms	204 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	0 ms	204 KB	Output is correct
60	Correct	0 ms	204 KB	Output is correct
61	Correct	0 ms	204 KB	Output is correct
62	Correct	0 ms	204 KB	Output is correct
63	Correct	463 ms	15948 KB	Output is correct
64	Correct	410 ms	15948 KB	Output is correct
65	Correct	476 ms	15948 KB	Output is correct
66	Correct	397 ms	15948 KB	Output is correct
67	Correct	396 ms	15948 KB	Output is correct
68	Correct	413 ms	15948 KB	Output is correct
69	Correct	476 ms	15948 KB	Output is correct
70	Correct	388 ms	15948 KB	Output is correct
71	Correct	405 ms	15948 KB	Output is correct
72	Correct	409 ms	15948 KB	Output is correct
73	Correct	477 ms	15948 KB	Output is correct
74	Correct	388 ms	15948 KB	Output is correct
75	Correct	413 ms	15888 KB	Output is correct
76	Correct	422 ms	15948 KB	Output is correct
77	Correct	342 ms	15948 KB	Output is correct
78	Correct	440 ms	15948 KB	Output is correct
79	Correct	438 ms	15948 KB	Output is correct
80	Correct	433 ms	15948 KB	Output is correct
81	Correct	292 ms	15948 KB	Output is correct
82	Correct	387 ms	15948 KB	Output is correct
83	Correct	236 ms	15948 KB	Output is correct
84	Correct	389 ms	15948 KB	Output is correct
85	Correct	492 ms	15948 KB	Output is correct
86	Correct	493 ms	15948 KB	Output is correct
87	Correct	470 ms	15948 KB	Output is correct
88	Correct	449 ms	15948 KB	Output is correct

답안 #484402

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