import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;
/**
* Built using CHelper plug-in
* Actual solution is at the top
*
* @author ijxjdjd
*/
public class remittance {
public static void main(String[] args) {
InputStream inputStream = System.in;
OutputStream outputStream = System.out;
InputReader in = new InputReader(inputStream);
PrintWriter out = new PrintWriter(outputStream);
remittanc solver = new remittanc();
solver.solve(1, in, out);
out.close();
}
static class remittanc {
public void solve(int testNumber, InputReader in, PrintWriter out) {
int N = in.nextInt();
long last = 0;
long max = 0;
long[] A = new long[N];
long[] B = new long[N];
for (int i = 0; i < N; i++) {
A[i] = in.nextInt();
B[i] = in.nextInt();
}
boolean first = true;
// while (last > 0 || first) {
for (int j = 0; j < 100; j++) {
for (int i = 0; i < N; i++) {
if (A[i] > B[i]) {
if (A[i] - 2 * ((A[i] - B[i] + 1) / 2) < 0) {
continue;
}
last = ((A[i] - B[i]) + 1) / 2;
A[i] -= last * 2;
} else {
last = 0;
}
A[(i + 1) % N] += last;
}
// }
}
for (int i = 0; i < N; i++) {
if (A[i] != B[i]) {
out.println("No");
return;
}
}
out.println("Yes");
}
}
static class InputReader {
public BufferedReader reader;
public StringTokenizer tokenizer;
public InputReader(InputStream stream) {
reader = new BufferedReader(new InputStreamReader(stream), 32768);
tokenizer = null;
}
public String next() {
while (tokenizer == null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(reader.readLine());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public int nextInt() {
return Integer.parseInt(next());
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
9660 KB |
Output is correct |
2 |
Correct |
85 ms |
9720 KB |
Output is correct |
3 |
Correct |
85 ms |
9700 KB |
Output is correct |
4 |
Correct |
85 ms |
9588 KB |
Output is correct |
5 |
Correct |
85 ms |
9576 KB |
Output is correct |
6 |
Correct |
87 ms |
9792 KB |
Output is correct |
7 |
Correct |
92 ms |
9604 KB |
Output is correct |
8 |
Correct |
86 ms |
9976 KB |
Output is correct |
9 |
Correct |
89 ms |
9608 KB |
Output is correct |
10 |
Correct |
86 ms |
9748 KB |
Output is correct |
11 |
Correct |
86 ms |
9600 KB |
Output is correct |
12 |
Correct |
92 ms |
9736 KB |
Output is correct |
13 |
Correct |
85 ms |
9604 KB |
Output is correct |
14 |
Correct |
92 ms |
9708 KB |
Output is correct |
15 |
Correct |
86 ms |
9464 KB |
Output is correct |
16 |
Correct |
88 ms |
9848 KB |
Output is correct |
17 |
Correct |
86 ms |
9504 KB |
Output is correct |
18 |
Correct |
88 ms |
9644 KB |
Output is correct |
19 |
Correct |
88 ms |
9652 KB |
Output is correct |
20 |
Correct |
92 ms |
9668 KB |
Output is correct |
21 |
Correct |
91 ms |
9700 KB |
Output is correct |
22 |
Correct |
87 ms |
9540 KB |
Output is correct |
23 |
Correct |
89 ms |
9800 KB |
Output is correct |
24 |
Correct |
85 ms |
9776 KB |
Output is correct |
25 |
Correct |
88 ms |
9648 KB |
Output is correct |
26 |
Correct |
91 ms |
9640 KB |
Output is correct |
27 |
Correct |
87 ms |
9656 KB |
Output is correct |
28 |
Correct |
85 ms |
9728 KB |
Output is correct |
29 |
Correct |
86 ms |
9752 KB |
Output is correct |
30 |
Correct |
87 ms |
9744 KB |
Output is correct |
31 |
Correct |
88 ms |
9712 KB |
Output is correct |
32 |
Correct |
85 ms |
9736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
9660 KB |
Output is correct |
2 |
Correct |
85 ms |
9720 KB |
Output is correct |
3 |
Correct |
85 ms |
9700 KB |
Output is correct |
4 |
Correct |
85 ms |
9588 KB |
Output is correct |
5 |
Correct |
85 ms |
9576 KB |
Output is correct |
6 |
Correct |
87 ms |
9792 KB |
Output is correct |
7 |
Correct |
92 ms |
9604 KB |
Output is correct |
8 |
Correct |
86 ms |
9976 KB |
Output is correct |
9 |
Correct |
89 ms |
9608 KB |
Output is correct |
10 |
Correct |
86 ms |
9748 KB |
Output is correct |
11 |
Correct |
86 ms |
9600 KB |
Output is correct |
12 |
Correct |
92 ms |
9736 KB |
Output is correct |
13 |
Correct |
85 ms |
9604 KB |
Output is correct |
14 |
Correct |
92 ms |
9708 KB |
Output is correct |
15 |
Correct |
86 ms |
9464 KB |
Output is correct |
16 |
Correct |
88 ms |
9848 KB |
Output is correct |
17 |
Correct |
86 ms |
9504 KB |
Output is correct |
18 |
Correct |
88 ms |
9644 KB |
Output is correct |
19 |
Correct |
88 ms |
9652 KB |
Output is correct |
20 |
Correct |
92 ms |
9668 KB |
Output is correct |
21 |
Correct |
91 ms |
9700 KB |
Output is correct |
22 |
Correct |
87 ms |
9540 KB |
Output is correct |
23 |
Correct |
89 ms |
9800 KB |
Output is correct |
24 |
Correct |
85 ms |
9776 KB |
Output is correct |
25 |
Correct |
88 ms |
9648 KB |
Output is correct |
26 |
Correct |
91 ms |
9640 KB |
Output is correct |
27 |
Correct |
87 ms |
9656 KB |
Output is correct |
28 |
Correct |
85 ms |
9728 KB |
Output is correct |
29 |
Correct |
86 ms |
9752 KB |
Output is correct |
30 |
Correct |
87 ms |
9744 KB |
Output is correct |
31 |
Correct |
88 ms |
9712 KB |
Output is correct |
32 |
Correct |
85 ms |
9736 KB |
Output is correct |
33 |
Correct |
88 ms |
9608 KB |
Output is correct |
34 |
Correct |
91 ms |
9628 KB |
Output is correct |
35 |
Correct |
90 ms |
9544 KB |
Output is correct |
36 |
Correct |
87 ms |
9548 KB |
Output is correct |
37 |
Correct |
88 ms |
9780 KB |
Output is correct |
38 |
Correct |
83 ms |
9520 KB |
Output is correct |
39 |
Correct |
85 ms |
9720 KB |
Output is correct |
40 |
Correct |
87 ms |
9604 KB |
Output is correct |
41 |
Correct |
87 ms |
9676 KB |
Output is correct |
42 |
Correct |
84 ms |
9724 KB |
Output is correct |
43 |
Correct |
86 ms |
9660 KB |
Output is correct |
44 |
Correct |
88 ms |
9532 KB |
Output is correct |
45 |
Correct |
86 ms |
9708 KB |
Output is correct |
46 |
Correct |
85 ms |
9456 KB |
Output is correct |
47 |
Correct |
86 ms |
9752 KB |
Output is correct |
48 |
Correct |
89 ms |
9684 KB |
Output is correct |
49 |
Correct |
86 ms |
9740 KB |
Output is correct |
50 |
Correct |
84 ms |
9776 KB |
Output is correct |
51 |
Correct |
85 ms |
9632 KB |
Output is correct |
52 |
Correct |
84 ms |
9588 KB |
Output is correct |
53 |
Correct |
87 ms |
9652 KB |
Output is correct |
54 |
Correct |
86 ms |
9708 KB |
Output is correct |
55 |
Correct |
88 ms |
9792 KB |
Output is correct |
56 |
Correct |
89 ms |
9896 KB |
Output is correct |
57 |
Correct |
84 ms |
9680 KB |
Output is correct |
58 |
Correct |
86 ms |
9808 KB |
Output is correct |
59 |
Correct |
88 ms |
9804 KB |
Output is correct |
60 |
Correct |
88 ms |
9776 KB |
Output is correct |
61 |
Correct |
91 ms |
9652 KB |
Output is correct |
62 |
Correct |
89 ms |
9720 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
9660 KB |
Output is correct |
2 |
Correct |
85 ms |
9720 KB |
Output is correct |
3 |
Correct |
85 ms |
9700 KB |
Output is correct |
4 |
Correct |
85 ms |
9588 KB |
Output is correct |
5 |
Correct |
85 ms |
9576 KB |
Output is correct |
6 |
Correct |
87 ms |
9792 KB |
Output is correct |
7 |
Correct |
92 ms |
9604 KB |
Output is correct |
8 |
Correct |
86 ms |
9976 KB |
Output is correct |
9 |
Correct |
89 ms |
9608 KB |
Output is correct |
10 |
Correct |
86 ms |
9748 KB |
Output is correct |
11 |
Correct |
86 ms |
9600 KB |
Output is correct |
12 |
Correct |
92 ms |
9736 KB |
Output is correct |
13 |
Correct |
85 ms |
9604 KB |
Output is correct |
14 |
Correct |
92 ms |
9708 KB |
Output is correct |
15 |
Correct |
86 ms |
9464 KB |
Output is correct |
16 |
Correct |
88 ms |
9848 KB |
Output is correct |
17 |
Correct |
86 ms |
9504 KB |
Output is correct |
18 |
Correct |
88 ms |
9644 KB |
Output is correct |
19 |
Correct |
88 ms |
9652 KB |
Output is correct |
20 |
Correct |
92 ms |
9668 KB |
Output is correct |
21 |
Correct |
91 ms |
9700 KB |
Output is correct |
22 |
Correct |
87 ms |
9540 KB |
Output is correct |
23 |
Correct |
89 ms |
9800 KB |
Output is correct |
24 |
Correct |
85 ms |
9776 KB |
Output is correct |
25 |
Correct |
88 ms |
9648 KB |
Output is correct |
26 |
Correct |
91 ms |
9640 KB |
Output is correct |
27 |
Correct |
87 ms |
9656 KB |
Output is correct |
28 |
Correct |
85 ms |
9728 KB |
Output is correct |
29 |
Correct |
86 ms |
9752 KB |
Output is correct |
30 |
Correct |
87 ms |
9744 KB |
Output is correct |
31 |
Correct |
88 ms |
9712 KB |
Output is correct |
32 |
Correct |
85 ms |
9736 KB |
Output is correct |
33 |
Correct |
88 ms |
9608 KB |
Output is correct |
34 |
Correct |
91 ms |
9628 KB |
Output is correct |
35 |
Correct |
90 ms |
9544 KB |
Output is correct |
36 |
Correct |
87 ms |
9548 KB |
Output is correct |
37 |
Correct |
88 ms |
9780 KB |
Output is correct |
38 |
Correct |
83 ms |
9520 KB |
Output is correct |
39 |
Correct |
85 ms |
9720 KB |
Output is correct |
40 |
Correct |
87 ms |
9604 KB |
Output is correct |
41 |
Correct |
87 ms |
9676 KB |
Output is correct |
42 |
Correct |
84 ms |
9724 KB |
Output is correct |
43 |
Correct |
86 ms |
9660 KB |
Output is correct |
44 |
Correct |
88 ms |
9532 KB |
Output is correct |
45 |
Correct |
86 ms |
9708 KB |
Output is correct |
46 |
Correct |
85 ms |
9456 KB |
Output is correct |
47 |
Correct |
86 ms |
9752 KB |
Output is correct |
48 |
Correct |
89 ms |
9684 KB |
Output is correct |
49 |
Correct |
86 ms |
9740 KB |
Output is correct |
50 |
Correct |
84 ms |
9776 KB |
Output is correct |
51 |
Correct |
85 ms |
9632 KB |
Output is correct |
52 |
Correct |
84 ms |
9588 KB |
Output is correct |
53 |
Correct |
87 ms |
9652 KB |
Output is correct |
54 |
Correct |
86 ms |
9708 KB |
Output is correct |
55 |
Correct |
88 ms |
9792 KB |
Output is correct |
56 |
Correct |
89 ms |
9896 KB |
Output is correct |
57 |
Correct |
84 ms |
9680 KB |
Output is correct |
58 |
Correct |
86 ms |
9808 KB |
Output is correct |
59 |
Correct |
88 ms |
9804 KB |
Output is correct |
60 |
Correct |
88 ms |
9776 KB |
Output is correct |
61 |
Correct |
91 ms |
9652 KB |
Output is correct |
62 |
Correct |
89 ms |
9720 KB |
Output is correct |
63 |
Execution timed out |
1085 ms |
98156 KB |
Time limit exceeded |
64 |
Halted |
0 ms |
0 KB |
- |