NOI.AC
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #200560 | #2848. 小明的多米诺 | tkswls | 100 | 1ms | 1256kb | C++11 | 542b | 2024-01-06 09:52:47 | 2024-01-06 12:01:06 |
answer
#include<bits/stdc++.h>
using namespace std;
int n, suma, sumb, sum, flg, p, q;
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> p >> q;
p %= 2, q %= 2;
if (p != q) flg = 1;
sum = (sum + p + q) % 2, suma = (suma + p) % 2, sumb = (sumb + q) % 2;
}
if (sum % 2 == 1) {
cout << -1;
return 0;
} else if (suma % 2 == 0 && sumb % 2 == 0) {
cout << 0;
return 0;
} else {
if (flg) {
cout << 1;
} else {
cout << -1;
}
}
}
Details
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1244kb
input:
5 5 4 5 4 1 5 5 5 3 3
output:
1
result:
ok single line: '1'
Test #2:
score: 10
Accepted
time: 0ms
memory: 1252kb
input:
20 1 3 5 2 5 2 2 6 2 4 1 1 1 3 1 4 2 6 4 2 5 6 2 2 6 2 4 3 2 1 6 2 6 5 4 5 2 4 1 4
output:
-1
result:
ok single line: '-1'
Test #3:
score: 10
Accepted
time: 0ms
memory: 1248kb
input:
100 2 3 2 4 3 3 1 4 5 2 5 4 6 6 3 4 1 1 4 2 5 1 5 5 5 3 3 6 4 1 1 6 1 1 3 2 4 5 6 1 6 4 1 1 3 4 3 3 ...
output:
-1
result:
ok single line: '-1'
Test #4:
score: 10
Accepted
time: 0ms
memory: 1244kb
input:
1 2 4
output:
0
result:
ok single line: '0'
Test #5:
score: 10
Accepted
time: 0ms
memory: 1244kb
input:
5 1 2 6 6 1 1 3 3 6 1
output:
1
result:
ok single line: '1'
Test #6:
score: 10
Accepted
time: 0ms
memory: 1256kb
input:
2041 189527 341486 989388 490740 305174 711489 998492 971844 424442 832954 293154 906619 738735 4393...
output:
-1
result:
ok single line: '-1'
Test #7:
score: 10
Accepted
time: 0ms
memory: 1252kb
input:
3979 570645 799923 575548 225560 50785 677255 477674 515334 686797 369269 485765 185627 848520 36065...
output:
1
result:
ok single line: '1'
Test #8:
score: 10
Accepted
time: 1ms
memory: 1252kb
input:
4031 765434 704266 619465 472848 817491 309190 584154 137933 712959 888161 761709 256164 891988 6307...
output:
-1
result:
ok single line: '-1'
Test #9:
score: 10
Accepted
time: 0ms
memory: 1256kb
input:
4083 95924 610408 662383 520138 585197 939125 691434 558533 539922 40952 37652 128501 735457 100886 ...
output:
-1
result:
ok single line: '-1'
Test #10:
score: 10
Accepted
time: 0ms
memory: 1256kb
input:
4139 67899 398310 433171 883357 514946 423905 842270 593696 992632 761387 130816 229534 981617 89827...
output:
-1
result:
ok single line: '-1'
