Submission #336595

# Submission time Handle Problem Language Result Execution time Memory
336595 2020-12-15T22:39:12 Z aryan12 Remittance (JOI19_remittance) C++17
0 / 100
1 ms 384 KB
#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;
    }*/
    if(n == 2) {
        for(int i = 0; i < n; i++) {
            if(a[i] != b[i] + 1) {
                cout << "No" << endl;
                return 0;
            }
        }
        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;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 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 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 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 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Incorrect 1 ms 364 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 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 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 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 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Incorrect 1 ms 364 KB Output isn't correct
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 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 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 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 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Incorrect 1 ms 364 KB Output isn't correct
25 Halted 0 ms 0 KB -