#include <stdio.h>
#include <string.h>
int main(){
int i,n,lines=0,dots=0,ps[2][16][2];
scanf("%d",&n);
for(i=0;i<n;i++){
scanf("%d %d",&ps[0][i][0],&ps[0][i][1]);
}
for(i=0;i<n;i++){
scanf("%d %d",&ps[1][i][0],&ps[1][i][1]);
}
for(i=0;i<n;i++){
if( ps[0][i][1] == ps[1][i][0] ||
ps[0][i][0] == ps[1][i][1])
dots += 1;
else if(ps[0][i][0] <= ps[1][i][0]){
if(ps[0][i][1] > ps[1][i][0]) lines+=1;
}
else{
if(ps[1][i][1] > ps[0][i][0]) lines+=1;
}
}
if(lines>0) printf("%d\n",lines);
else if(dots>0) printf("%d\n",0);
else printf("%d\n",-1);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1088 KB |
Output is correct |
2 |
Correct |
0 ms |
1088 KB |
Output is correct |
3 |
Correct |
0 ms |
1088 KB |
Output is correct |
4 |
Correct |
0 ms |
1088 KB |
Output is correct |
5 |
Correct |
0 ms |
1088 KB |
Output is correct |
6 |
Correct |
0 ms |
1088 KB |
Output is correct |
7 |
Incorrect |
0 ms |
1088 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Halted |
0 ms |
0 KB |
- |