답안 #336597

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
336597	2020-12-15T22:44:53 Z	aryan12	송금 (JOI19_remittance)	C++17	15 / 100	1 ms	384 KB

remittance

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> a(n), b(n);
    int suma = 0, sumb = 0;
    for(int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
        suma += a[i];
        sumb += b[i];
    }
    if(suma < sumb) {
        cout << "No" << endl;
        return 0;
    }
    if(suma == sumb) {
        for(int i = 0; i < n; i++) {
            if(a[i] != b[i]) {
                cout << "No" << endl;
                return 0;
            }
        }
        cout << "Yes" << endl;
        return 0;
    }
    bool f = true;
    while(f) {
        f = false;
        for(int i = 0; i < n; i++) {
            int extra = (a[i] - b[i]) / 2;
            if(extra == 0 || b[i] > a[i])
                continue;
            a[i] -= extra * 2;
            a[(i + 1) % n] += extra;
            f = true;
        }
        /*for(int i = 0; i < n; i++) {
            cout << a[i] << " ";
        }
        cout << endl;*/
    }
    /*for(int i = 0; i < n; i++) {
        cout << a[i] << " " << b[i] << endl;
    }*/
    bool f1 = true, f2 = false;
    for(int i = 0; i < n; i++) {
        if(a[i] != b[i] + 1) {
            f1 = false;
        }
        if(a[i] >= 2)
            f2 = true;
    }
    if(f1 && f2) {
        cout << "Yes" << endl;
        return 0;
    }
    for(int i = 0; i < n; i++) {
        if(a[i] != b[i]) {
            cout << "No" << endl;
            return 0;
        }
    }
    cout << "Yes" << endl;
}

Subtask #1

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	0 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	0 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	0 ms	364 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Incorrect	1 ms	364 KB	Output isn't correct
41	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	0 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	0 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	0 ms	364 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Incorrect	1 ms	364 KB	Output isn't correct
41	Halted	0 ms	0 KB	-