oj.uz

Submission #483413

# Submission time Handle Problem Language Result Execution time Memory
483413 2021-10-29T09:31:40 Z Lam_lai_cuoc_doi Remittance (JOI19_remittance) C++17
100 / 100
 223 ms 36296 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

template <class T>
void read(T &x)
{
    x = 0;
    register int c;
    while ((c = getchar()) && (c > '9' || c < '0'))
        ;
    for (; c >= '0' && c <= '9'; c = getchar())
        x = x * 10 + c - '0';
}

constexpr bool typetest = 0;
constexpr int N = 1e6 + 5;
int n;
ll a[N], b[N];

void Read()
{
    cin >> n;
    for (int i = 1; i <= n; ++i)
        cin >> a[i] >> b[i];
}

void Send(int pos, ll v)
{
    a[pos] -= v * 2;
    ++pos;
    if (pos > n)
        pos = 1;
    a[pos] += v;
}

void Solve()
{
    while (1)
    {
        bool ok(1);
        for (int i = 1; i <= n; ++i)
            if (a[i] > b[i])
            {
                ll v = (a[i] - b[i]) / 2;
                if (v == 0 && a[i] > 1)
                    Send(i, 1), ok = 0;
                if (v > 0)
                    Send(i, v), ok = 0;
            }
        if (ok)
            break;
    }

    for (int i = 1; i <= n; ++i)
        if (a[i] != b[i])
        {
            cout << "No";
            return;
        }
    cout << "Yes";
}

int32_t main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t(1);
    if (fopen(".INP", "r"))
    {
        freopen("and.inp", "r", stdin);
        freopen("and.out", "w", stdout);
    }
    if (typetest)
        cin >> t;
    for (int _ = 1; _ <= t; ++_)
    {
        // cout << "Case #" << _ << ": ";
        Read();
        Solve();
    }
    // cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}

Compilation message

remittance.cpp: In function 'void read(T&)':
remittance.cpp:12:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |     register int c;
      |                  ^
remittance.cpp: In function 'int32_t main()':
remittance.cpp:75:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |         freopen("and.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
remittance.cpp:76:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |         freopen("and.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 316 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 320 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 316 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 320 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 0 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 324 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 0 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 0 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 0 ms 332 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 0 ms 332 KB Output is correct
54 Correct 0 ms 332 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 320 KB Output is correct
57 Correct 0 ms 332 KB Output is correct
58 Correct 0 ms 332 KB Output is correct
59 Correct 0 ms 332 KB Output is correct
60 Correct 0 ms 332 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 252 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 316 KB Output is correct
23 Correct 0 ms 332 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 320 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 0 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 324 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 0 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 0 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 0 ms 332 KB Output is correct
50 Correct 1 ms 204 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 0 ms 332 KB Output is correct
54 Correct 0 ms 332 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 320 KB Output is correct
57 Correct 0 ms 332 KB Output is correct
58 Correct 0 ms 332 KB Output is correct
59 Correct 0 ms 332 KB Output is correct
60 Correct 0 ms 332 KB Output is correct
61 Correct 1 ms 204 KB Output is correct
62 Correct 1 ms 252 KB Output is correct
63 Correct 208 ms 35248 KB Output is correct
64 Correct 141 ms 19784 KB Output is correct
65 Correct 223 ms 34756 KB Output is correct
66 Correct 107 ms 19840 KB Output is correct
67 Correct 122 ms 21204 KB Output is correct
68 Correct 137 ms 23620 KB Output is correct
69 Correct 197 ms 35292 KB Output is correct
70 Correct 111 ms 19752 KB Output is correct
71 Correct 126 ms 21192 KB Output is correct
72 Correct 132 ms 23564 KB Output is correct
73 Correct 202 ms 35288 KB Output is correct
74 Correct 105 ms 19780 KB Output is correct
75 Correct 126 ms 21204 KB Output is correct
76 Correct 141 ms 23600 KB Output is correct
77 Correct 197 ms 35244 KB Output is correct
78 Correct 147 ms 27460 KB Output is correct
79 Correct 148 ms 27532 KB Output is correct
80 Correct 159 ms 27604 KB Output is correct
81 Correct 152 ms 27528 KB Output is correct
82 Correct 99 ms 19804 KB Output is correct
83 Correct 107 ms 19860 KB Output is correct
84 Correct 95 ms 19752 KB Output is correct
85 Correct 223 ms 36296 KB Output is correct
86 Correct 215 ms 36292 KB Output is correct
87 Correct 171 ms 28544 KB Output is correct
88 Correct 190 ms 28652 KB Output is correct