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Submission #258868

# Submission time Handle Problem Language Result Execution time Memory
258868 2020-08-06T16:11:46 Z doowey Remittance (JOI19_remittance) C++14
100 / 100
 297 ms 36472 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)1e6 + 10;
ll A[N], B[N];

int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 0 ; i < n ; i ++ ){
        cin >> A[i] >> B[i];
    }
    ll sa = 0, sb = 0;
    for(int i =0 ; i < n; i ++ )
        sa += A[i], sb += B[i];
    if(sb == 0){
        if(sa == 0){
            cout << "Yes\n";
        }
        else{
            cout << "No\n";
        }
        return 0;
    }
    ll t;
    bool h = true;
    while(h){
        h=false;
        for(int i = 0 ; i < n; i ++ ){
            if(A[i]>B[i]){
                t=(A[i]-B[i]+1)/2ll;
                A[i]-=2ll*t;
                A[(i+1)%n]+=t;
                h=true;
            }
        }
    }
    for(int i = 0 ; i < n; i ++ ){
        if(A[i] != B[i]){
            cout << "No\n";
            return 0;
        }
    }
    cout << "Yes\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 0 ms 380 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 396 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 0 ms 380 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 396 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 0 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 0 ms 384 KB Output is correct
52 Correct 0 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 0 ms 384 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 0 ms 384 KB Output is correct
57 Correct 0 ms 384 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 384 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 0 ms 380 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 396 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 0 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 0 ms 384 KB Output is correct
52 Correct 0 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 0 ms 384 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 0 ms 384 KB Output is correct
57 Correct 0 ms 384 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 384 KB Output is correct
63 Correct 282 ms 35320 KB Output is correct
64 Correct 127 ms 19956 KB Output is correct
65 Correct 266 ms 34936 KB Output is correct
66 Correct 120 ms 19960 KB Output is correct
67 Correct 134 ms 21368 KB Output is correct
68 Correct 164 ms 23672 KB Output is correct
69 Correct 297 ms 35388 KB Output is correct
70 Correct 137 ms 19960 KB Output is correct
71 Correct 149 ms 21284 KB Output is correct
72 Correct 159 ms 23672 KB Output is correct
73 Correct 286 ms 35320 KB Output is correct
74 Correct 131 ms 19960 KB Output is correct
75 Correct 136 ms 21240 KB Output is correct
76 Correct 163 ms 23644 KB Output is correct
77 Correct 294 ms 35448 KB Output is correct
78 Correct 196 ms 27640 KB Output is correct
79 Correct 190 ms 27640 KB Output is correct
80 Correct 221 ms 27640 KB Output is correct
81 Correct 212 ms 27644 KB Output is correct
82 Correct 116 ms 19960 KB Output is correct
83 Correct 102 ms 19960 KB Output is correct
84 Correct 103 ms 20088 KB Output is correct
85 Correct 291 ms 36472 KB Output is correct
86 Correct 281 ms 36472 KB Output is correct
87 Correct 194 ms 28664 KB Output is correct
88 Correct 225 ms 28664 KB Output is correct