oj.uz

Submission #154292

# Submission time Handle Problem Language Result Execution time Memory
154292 2019-09-20T10:33:57 Z alireza_kaviani Remittance (JOI19_remittance) C++17
100 / 100
 882 ms 44680 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<double, double> pdd;

#define all(x)                      (x).begin(),(x).end()
#define Sort(x)                     sort(all((x)))
#define X                           first
#define Y                           second
#define Mp                          make_pair
#define sep                         ' '
#define endl                        '\n'
#define debug(x)                    cerr << #x << " = " << x << endl
#define SZ(x)                       ll(x.size())
#define fast_io                     ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define set_random                  mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

ll poww(ll a, ll b, ll md) {
    return (!b ? 1 : (b & 1 ? a * poww(a * a % md, b / 2, md) % md : poww(a * a % md, b / 2, md) % md));
}

set_random;

const ll MAXN = 1e6 + 10;
const ll INF = 8e18;
const ll MOD = 1e9 + 7; // 998244353; // 1e9 + 9;

ll n , cnt , A[MAXN] , B[MAXN];
queue<ll> q;

int main() {
    fast_io;

    cin >> n;
    for(ll i = 0 ; i < n ; i++){
        cin >> A[i] >> B[i];
        if(A[i] > B[i]) q.push(i);
    }

    while(!q.empty() && cnt <= 3e7){
        ll i = q.front() , j = (i + 1) % n , t = (A[i] - B[i] + 1) / 2 , inqueue = 0;
        q.pop();
        if(A[i] - t * 2 < 0){
            q.push(i);
            cnt++;
            continue;
        }
        if(A[j] > B[j]) inqueue = 1;

        A[i] -= t * 2;
        A[j] += t;
        if(A[i] > B[i]) q.push(i);
        if(!inqueue && A[j] > B[j]){
            q.push(j);
        }
        cnt++;
    }

    for(ll i = 0 ; i < n ; i++){
        if(A[i] != B[i])    return cout << "No" << endl , 0;
    }
    cout << "Yes" << endl;

    return 0;
}
/*

*/

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 521 ms 396 KB Output is correct
17 Correct 521 ms 416 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 514 ms 400 KB Output is correct
20 Correct 514 ms 376 KB Output is correct
21 Correct 511 ms 432 KB Output is correct
22 Correct 507 ms 440 KB Output is correct
23 Correct 510 ms 504 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 509 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 509 ms 400 KB Output is correct
32 Correct 2 ms 376 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 521 ms 396 KB Output is correct
17 Correct 521 ms 416 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 514 ms 400 KB Output is correct
20 Correct 514 ms 376 KB Output is correct
21 Correct 511 ms 432 KB Output is correct
22 Correct 507 ms 440 KB Output is correct
23 Correct 510 ms 504 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 509 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 509 ms 400 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 1 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 3 ms 312 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 511 ms 404 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 17 ms 376 KB Output is correct
49 Correct 3 ms 380 KB Output is correct
50 Correct 514 ms 400 KB Output is correct
51 Correct 614 ms 376 KB Output is correct
52 Correct 605 ms 504 KB Output is correct
53 Correct 514 ms 400 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 507 ms 412 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 376 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 508 ms 380 KB Output is correct
62 Correct 2 ms 376 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 521 ms 396 KB Output is correct
17 Correct 521 ms 416 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 514 ms 400 KB Output is correct
20 Correct 514 ms 376 KB Output is correct
21 Correct 511 ms 432 KB Output is correct
22 Correct 507 ms 440 KB Output is correct
23 Correct 510 ms 504 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 509 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 509 ms 400 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 1 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 3 ms 312 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 511 ms 404 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 17 ms 376 KB Output is correct
49 Correct 3 ms 380 KB Output is correct
50 Correct 514 ms 400 KB Output is correct
51 Correct 614 ms 376 KB Output is correct
52 Correct 605 ms 504 KB Output is correct
53 Correct 514 ms 400 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 507 ms 412 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 376 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 508 ms 380 KB Output is correct
62 Correct 2 ms 376 KB Output is correct
63 Correct 353 ms 39516 KB Output is correct
64 Correct 178 ms 22520 KB Output is correct
65 Correct 476 ms 42072 KB Output is correct
66 Correct 177 ms 24028 KB Output is correct
67 Correct 215 ms 27128 KB Output is correct
68 Correct 274 ms 29980 KB Output is correct
69 Correct 512 ms 41592 KB Output is correct
70 Correct 682 ms 24036 KB Output is correct
71 Correct 720 ms 27128 KB Output is correct
72 Correct 265 ms 29868 KB Output is correct
73 Correct 882 ms 41524 KB Output is correct
74 Correct 702 ms 24172 KB Output is correct
75 Correct 735 ms 27144 KB Output is correct
76 Correct 749 ms 29780 KB Output is correct
77 Correct 526 ms 41452 KB Output is correct
78 Correct 747 ms 35952 KB Output is correct
79 Correct 797 ms 35820 KB Output is correct
80 Correct 274 ms 35844 KB Output is correct
81 Correct 299 ms 35864 KB Output is correct
82 Correct 709 ms 28392 KB Output is correct
83 Correct 142 ms 19932 KB Output is correct
84 Correct 143 ms 19856 KB Output is correct
85 Correct 370 ms 44680 KB Output is correct
86 Correct 366 ms 44680 KB Output is correct
87 Correct 840 ms 37128 KB Output is correct
88 Correct 282 ms 36992 KB Output is correct