oj.uz

Submission #145980

# Submission time Handle Problem Language Result Execution time Memory
145980 2019-08-21T13:35:48 Z fedoseevtimofey Remittance (JOI19_remittance) C++14
0 / 100
 2 ms 380 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

#define int long long

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.setf(ios::fixed); cout.precision(20);
    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
    int n;
    cin >> n;
    vector <int> a(n), b(n);
    for (int i = 0; i < n; ++i) cin >> a[i] >> b[i];
    while (true) {
    	bool fl = false;
    	for (int i = 0; i < n; ++i) {
    		if (a[i] > b[i] + 1) {
    			int x = a[i] - b[i];
    			x -= x % 2;
    			a[i] -= x;
    			a[(i + 1) % n] += x / 2;
    			fl = true;
    		}
    	}
    	if (!fl) break;
    }
    if (a == b) cout << "Yes\n";
    else cout << "No\n";
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Incorrect 2 ms 376 KB Output isn't correct
9 Halted 0 ms 0 KB -