oj.uz

답안 #478125

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
478125 2021-10-05T17:49:46 Z nicolaalexandra 송금 (JOI19_remittance) C++14
55 / 100
 85 ms 5720 KB 
#include <bits/stdc++.h>
#define DIM 100010
using namespace std;

long long a[DIM],b[DIM],x[DIM],p[22];
int n,i;

int verif(){

    for (;;){
        int ok2 = 0;
        for (i=1;i<=n;i++){
            /// trimit cat de mult pot
            if (2 * x[i] <= a[i]){
                if (x[i])
                    ok2 = 1;
                a[i] -= 2 * x[i];
                a[ (i < n) ? (i+1) : (1)] += x[i];
                x[i] = 0;
            } else {
                long long val = a[i] / 2;
                if (val)
                    ok2 = 1;
                a[i] -= 2 * val;
                a[(i < n) ? (i+1) : (1)] += val;
                x[i] -= val;
            }
        }
        if (!ok2)
            break;
    }


    int ok = 1;
    for (i=1;i<=n;i++)
        if (x[i] != 0 || a[i] != b[i])
            ok = 0;

    return ok;
}

int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n;
    for (i=1;i<=n;i++)
        cin>>a[i]>>b[i];


    if (n == 2){

        long long val = a[1] - b[1] + 2 * (a[2] - b[2]);
        if (val % 3){
            cout<<"No";
            return 0;
        }

        x[2] = val / 3;

        if ( (a[1] - b[1] + x[2]) % 2){
            cout<<"No";
            return 0;
        }

        x[1] = (a[1] - b[1] + x[2]) / 2;

        if (x[1] < 0 || x[2] < 0){
            cout<<"No";
            return 0;
        }

        if (verif())
            cout<<"Yes";
        else cout<<"No";

        return 0;
    }

    p[0] = 1;
    for (i=1;i<=20;i++)
        p[i] = p[i-1] * 2;


    long long val = p[n-1] * (a[1] - b[1]) + p[n-2] * (a[n] - b[n]);
    for (i=n-1;i>=2;i--)
        val += p[i-2] * (a[i] - b[i]);

    if (val % (p[n]-1)){
        cout<<"No";
        return 0;
    }

    x[1] = val / (p[n]-1);

    if (val < 0){
        cout<<"No";
        return 0;
    }

    for (i=2;i<=n;i++){
        long long val = a[i] - b[i] + x[i-1];
        if (val % 2 || val < 0){
            cout<<"No";
            return 0;
        }
        x[i] = val / 2;
    }

    for (i=1;i<=n;i++){
        long long val = a[i] + x[ (i > 1) ? (i-1) : (n)  ] - 2 * x[i];
        if ( val != b[i] ){
            cout<<"No";
            return 0;
        }
    }


    if (verif())
        cout<<"Yes";
    else cout<<"No";


    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 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 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct

Subtask #2
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 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 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 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 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 0 ms 208 KB Output is correct
56 Correct 1 ms 208 KB Output is correct
57 Correct 1 ms 208 KB Output is correct
58 Correct 0 ms 208 KB Output is correct
59 Correct 0 ms 208 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 0 ms 208 KB Output is correct
62 Correct 1 ms 208 KB Output is correct

Subtask #3
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 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 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 0 ms 204 KB Output is correct
44 Correct 0 ms 204 KB Output is correct
45 Correct 0 ms 204 KB Output is correct
46 Correct 0 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 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 0 ms 204 KB Output is correct
54 Correct 0 ms 204 KB Output is correct
55 Correct 0 ms 208 KB Output is correct
56 Correct 1 ms 208 KB Output is correct
57 Correct 1 ms 208 KB Output is correct
58 Correct 0 ms 208 KB Output is correct
59 Correct 0 ms 208 KB Output is correct
60 Correct 1 ms 208 KB Output is correct
61 Correct 0 ms 208 KB Output is correct
62 Correct 1 ms 208 KB Output is correct
63 Runtime error 85 ms 5720 KB Execution killed with signal 11
64 Halted 0 ms 0 KB -