fork download
copy 
  1. #include <iostream>
  2. #include <cstdio>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n, x, l=-2*1e9, r=2*1e9;
  7. 	char s1[5], s2[5];
  8. 	scanf("%d", &n);
  9. 	while(n--) {
  10. 		scanf("%s%d%s", s1, &x, s2);
  11. 		if(s1[0]=='>' && s1[1]=='=' && s2[0]=='Y' && x>l) l=x;
  12. 		else if(s1[0]=='>' && s1[1]!='=' && s2[0]=='Y' && x+1>l) l=x+1;
  13. 		else if(s1[0]=='>' && s1[1]=='=' && s2[0]=='N' && x-1<r) r=x-1;
  14. 		else if(s1[0]=='>' && s1[1]!='=' && s2[0]=='N' && x<r) r=x;
  15. 		else if(s1[0]=='<' && s1[1]=='=' && s2[0]=='Y' && x<r) r=x;
  16. 		else if(s1[0]=='<' && s1[1]!='=' && s2[0]=='Y' && x-1<r) r=x-1;
  17. 		else if(s1[0]=='<' && s1[1]=='=' && s2[0]=='N' && x+1>l) l=x+1;
  18. 		else if(s1[0]=='<' && s1[1]!='=' && s2[0]=='N' && x>l) l=x;
  19. 	}
  20. 	if(l<=r) printf("%d", l);
  21. 	else printf("Impossible");
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
copy 
4
<= 1 Y
>= 1 Y
>= 1 Y
<= 1 Y
stdout
copy 
1
https://ideone.com/S4pcpK
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!