답안 #683344

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
683344	2023-01-18T08:20:31 Z	tht2005	송금 (JOI19_remittance)	C++17	0 / 100	1 ms	340 KB

remittance

#include <bits/stdc++.h>

using namespace std;

#define N 1000006
int a[N], b[N];
long long X[N];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int n;
    cin >> n;
    long long S = 0;
    for(int i = 1; i <= n; ++i) {
        cin >> a[i] >> b[i];
        S += (long long)(b[i] - a[i]) << (i - 1);
    }
    if(S % (1 - (1LL << n)) != 0) {
        cout << "No";
        return 0;
    }
    X[n] = S / (1 - (1LL << n));
    if(X[n] < 0) {
        cout << "No";
        return 0;
    }
    X[0] = X[n];
    for(int i = 1; i < n; ++i) {
        long long val = X[i - 1] + a[i] - b[i];
        if(val < 0 || (val & 1)) {
            cout << "No";
            return 0;
        }
        X[i] = val >> 1;
    }
    cout << "Yes";
    return 0;
}

Subtask #1

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Incorrect	1 ms	332 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Incorrect	1 ms	332 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	328 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	324 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Incorrect	1 ms	332 KB	Output isn't correct
21	Halted	0 ms	0 KB	-