NOI.AC
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #200561 | #2848. 小明的多米诺 | wosile | 100 | 2ms | 1216kb | C++11 | 471b | 2024-01-06 10:21:06 | 2024-01-06 12:01:09 |
answer
#include<bits/stdc++.h>
using namespace std;
int x[10005],y[10005];
typedef long long ll;
int main(){
int n;
scanf("%d",&n);
for(int i=1;i<=n;i++)scanf("%d%d",&x[i],&y[i]);
ll sumx=0,sumy=0;
int f=0;
for(int i=1;i<=n;i++){
sumx+=x[i];
sumy+=y[i];
f|=((x[i]&1)!=(y[i]&1));
}
if(sumx%2==0 && sumy%2==0)printf("0");
else if((sumx+sumy)&1)printf("-1");
else if(f)printf("1");
else printf("-1");
return 0;
//quod erat demonstrandum
}
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: 1184kb
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: 1180kb
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: 1184kb
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: 1180kb
input:
1 2 4
output:
0
result:
ok single line: '0'
Test #5:
score: 10
Accepted
time: 0ms
memory: 1184kb
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: 1ms
memory: 1196kb
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: 1208kb
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: 0ms
memory: 1212kb
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: 1ms
memory: 1216kb
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: 1216kb
input:
4139 67899 398310 433171 883357 514946 423905 842270 593696 992632 761387 130816 229534 981617 89827...
output:
-1
result:
ok single line: '-1'
