oj.uz

Submission #963016

# Submission time Handle Problem Language Result Execution time Memory
963016 2024-04-14T11:06:40 Z Unforgettablepl Remittance (JOI19_remittance) C++17
100 / 100
 349 ms 52188 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int modulo = 1e9+7;

int A[1000001];
int B[1000001];
int curr[1000001];
int arr[1000001];

int inv(int a){
    int p = modulo-2;
    int ans = 1;
    while(p){
        if(p&1){
            ans*=a;
            ans%=modulo;
            p--;
        }
        a*=a;
        a%=modulo;
        p/=2;
    }
    return ans;
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    for(int i=0;i<n;i++)cin>>A[i]>>B[i];
    int start = 0;
    int power = 1;
    for(int i=1;i<n;i++){
        start=(start+modulo+((power*(A[i]-B[i]))%modulo))%modulo;
        power*=2ll;
        power%=modulo;
        start%=modulo;
    }
    start=(start+modulo+((power*(A[0]-B[0]))%modulo))%modulo;
    power*=2ll;
    power%=modulo;
    start%=modulo;
    power+=modulo-1;
    power%=modulo;
    start=(start*inv(power))%modulo;
    arr[0]=start;
    bool works = true;
    if(start<0)works=false;
    for(int x=1;x<n;x++){
        arr[x]=arr[x-1]+A[x]-B[x];
        if(arr[x]<0)works=false;
        if(arr[x]&1)works=false;
        arr[x]/=2;
    }
    int backup = arr[n-1]+A[0]-B[0];
    if(backup&1)works=false;
    if(arr[0]!=backup/2)works=false;
    if(!works)goto shit;
    for(int x=0;x<n;x++)curr[x]=A[x];
    for(int rounds=1;rounds<40;rounds++){
        for(int x=0;x<n;x++){
            int uses = min(arr[x],curr[x]/2);
            curr[x]-=2*uses;
            arr[x]-=uses;
            curr[(x+1)%n]+=uses;
        }
    }
    for(int x=0;x<n;x++)if(curr[x]!=B[x])works=false;
    if(works){
        cout << "Yes\n";
        return 0;
    }
    shit:
    cout << "No\n";
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 2 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 1 ms 6488 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 2 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 1 ms 6488 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 4440 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 4440 KB Output is correct
43 Correct 1 ms 4640 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4560 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6492 KB Output is correct
51 Correct 1 ms 6492 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 6492 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 6492 KB Output is correct
59 Correct 1 ms 6492 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 6492 KB Output is correct
62 Correct 1 ms 6492 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 2 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 4440 KB Output is correct
28 Correct 1 ms 6488 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 4440 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 4440 KB Output is correct
43 Correct 1 ms 4640 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4560 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6492 KB Output is correct
51 Correct 1 ms 6492 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 6492 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 6492 KB Output is correct
59 Correct 1 ms 6492 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 6492 KB Output is correct
62 Correct 1 ms 6492 KB Output is correct
63 Correct 167 ms 38760 KB Output is correct
64 Correct 268 ms 35664 KB Output is correct
65 Correct 338 ms 50652 KB Output is correct
66 Correct 262 ms 35664 KB Output is correct
67 Correct 288 ms 36828 KB Output is correct
68 Correct 286 ms 39260 KB Output is correct
69 Correct 334 ms 50924 KB Output is correct
70 Correct 95 ms 29500 KB Output is correct
71 Correct 94 ms 30672 KB Output is correct
72 Correct 114 ms 33232 KB Output is correct
73 Correct 170 ms 44912 KB Output is correct
74 Correct 88 ms 29256 KB Output is correct
75 Correct 96 ms 30668 KB Output is correct
76 Correct 121 ms 33232 KB Output is correct
77 Correct 176 ms 44768 KB Output is correct
78 Correct 304 ms 43600 KB Output is correct
79 Correct 130 ms 37324 KB Output is correct
80 Correct 294 ms 43384 KB Output is correct
81 Correct 151 ms 37200 KB Output is correct
82 Correct 259 ms 35664 KB Output is correct
83 Correct 81 ms 29268 KB Output is correct
84 Correct 253 ms 35664 KB Output is correct
85 Correct 349 ms 52188 KB Output is correct
86 Correct 164 ms 45940 KB Output is correct
87 Correct 331 ms 44216 KB Output is correct
88 Correct 303 ms 44216 KB Output is correct