Submission #496088

# Submission time Handle Problem Language Result Execution time Memory
496088 2021-12-20T15:59:36 Z khoabright Remittance (JOI19_remittance) C++17
100 / 100
236 ms 28324 KB
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
#define rep(i, a, b) for (int i = (int)a; i <= (int)b; ++i)
#define rep1(i, a, b) for (int i = (int)a; i >= (int)b; --i)
#define all(x) x.begin(), x.end()
#define sp(x) setprecision(x) << fixed
typedef long double db;

const int N = 1e6 + 5;
const int inf = 1e9;

bool solve() {
    int n; cin >> n;
    vector<int> a(n + 1), b(n + 1);
    rep(i, 1, n) cin >> a[i] >> b[i];

    bool change = 1;
    while (change) {
        change = 0;
        rep(i, 1, n) {
            int nx = (i == n) ? 1 : i + 1;
            int add = (a[i] - b[i] + 1) / 2;
            if (a[i] - 2 * add < 0) --add;
            if (add > 0 && a[i] - 2 * add >= 0) {
                a[nx] += add;
                a[i] -= 2 * add;
                change = 1;
            }
        }
    }

    rep(i, 1, n) if (a[i] != b[i]) return false;
    return true;
}

main() {
    ios_base::sync_with_stdio(0); cin.tie(0);

    cout << (solve() ? "Yes" : "No");
}

Compilation message

remittance.cpp:43:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main() {
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 308 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 1 ms 204 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 288 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 280 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 308 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 1 ms 204 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 288 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 280 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 1 ms 312 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 308 KB Output is correct
42 Correct 1 ms 312 KB Output is correct
43 Correct 1 ms 296 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 316 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 0 ms 312 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 308 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 1 ms 204 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 288 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 280 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 316 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 1 ms 312 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 308 KB Output is correct
42 Correct 1 ms 312 KB Output is correct
43 Correct 1 ms 296 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 308 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 312 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 316 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 0 ms 312 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 312 KB Output is correct
63 Correct 220 ms 18352 KB Output is correct
64 Correct 133 ms 19796 KB Output is correct
65 Correct 229 ms 18340 KB Output is correct
66 Correct 145 ms 19788 KB Output is correct
67 Correct 141 ms 21200 KB Output is correct
68 Correct 184 ms 23504 KB Output is correct
69 Correct 220 ms 18400 KB Output is correct
70 Correct 143 ms 19876 KB Output is correct
71 Correct 157 ms 21200 KB Output is correct
72 Correct 157 ms 23504 KB Output is correct
73 Correct 214 ms 18568 KB Output is correct
74 Correct 122 ms 19784 KB Output is correct
75 Correct 127 ms 21184 KB Output is correct
76 Correct 138 ms 23504 KB Output is correct
77 Correct 203 ms 18284 KB Output is correct
78 Correct 156 ms 27460 KB Output is correct
79 Correct 157 ms 27584 KB Output is correct
80 Correct 168 ms 27460 KB Output is correct
81 Correct 164 ms 27472 KB Output is correct
82 Correct 116 ms 19788 KB Output is correct
83 Correct 97 ms 19788 KB Output is correct
84 Correct 102 ms 19804 KB Output is correct
85 Correct 236 ms 18492 KB Output is correct
86 Correct 228 ms 18444 KB Output is correct
87 Correct 183 ms 28324 KB Output is correct
88 Correct 192 ms 28324 KB Output is correct