oj.uz

Submission #717999

# Submission time Handle Problem Language Result Execution time Memory
717999 2023-04-03T06:30:49 Z Radin_Zahedi2 Remittance (JOI19_remittance) C++17
100 / 100
 427 ms 28584 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("O2")
using namespace std;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define sz(x) (int)x.size()
#define endl '\n'


int n;
const int N = 1e6 + 5;
int a[N];
int b[N];

void input() {
	cin >> n;
	
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i];
	}
}

int cgive(int i) {
	int d = a[i] - b[i];

	if (d % 2 == 0) {
		return d / 2;
	}
	if (a[i] >= d + 1) {
		return (d + 1) / 2;
	}

	return (d - 1) / 2;
}

void give(int i, int x) {
	int ne = i + 1;
	if (ne == n) {
		ne = 0;
	}

	a[i] -= 2 * x;
	a[ne] += x;
}

void solve() {
	for (int t = 0; t < 60; t++) {
		for (int i = 0; i < n; i++) {
			if (a[i] > b[i]) {
				give(i, cgive(i));
			}
		}
	}

	for (int i = 0; i < n; i++) {
		if (a[i] != b[i]) {
			cout << "No";
			return;
		}
	}

	cout << "Yes";
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);


	input();

	solve();

	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 328 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 324 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 328 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 0 ms 328 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 328 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 324 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 328 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 0 ms 328 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 1 ms 344 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 249 ms 27548 KB Output is correct
64 Correct 132 ms 12096 KB Output is correct
65 Correct 223 ms 27056 KB Output is correct
66 Correct 123 ms 12036 KB Output is correct
67 Correct 136 ms 13408 KB Output is correct
68 Correct 157 ms 15764 KB Output is correct
69 Correct 219 ms 27468 KB Output is correct
70 Correct 128 ms 12016 KB Output is correct
71 Correct 133 ms 13328 KB Output is correct
72 Correct 145 ms 15696 KB Output is correct
73 Correct 219 ms 27468 KB Output is correct
74 Correct 134 ms 12020 KB Output is correct
75 Correct 131 ms 13388 KB Output is correct
76 Correct 146 ms 15692 KB Output is correct
77 Correct 222 ms 27468 KB Output is correct
78 Correct 384 ms 19684 KB Output is correct
79 Correct 412 ms 19776 KB Output is correct
80 Correct 173 ms 19676 KB Output is correct
81 Correct 175 ms 19684 KB Output is correct
82 Correct 347 ms 12096 KB Output is correct
83 Correct 110 ms 11952 KB Output is correct
84 Correct 111 ms 12036 KB Output is correct
85 Correct 249 ms 28584 KB Output is correct
86 Correct 253 ms 28520 KB Output is correct
87 Correct 427 ms 20908 KB Output is correct
88 Correct 203 ms 20820 KB Output is correct