lina_os

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Nov 8th, 2024
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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main(){
  7.  
  8. int a, b;
  9. cin >> a >> b;
  10. char arr[a+b+1];
  11. for(int i=0; i<=a+b; i++)
  12. cin >> arr[i];
  13. bool flag1, flag2;
  14. if(arr[a]==45)flag1=1;
  15. for(int i=0; i<=a+b; i++){
  16. if(i==a)flag2=1;
  17. else if(arr[i]>=48&&arr[i]<=57)flag2=1;
  18. }
  19. if(flag1&&flag2)cout << "Yes";
  20. else cout << "No";
  21.  
  22. return 0;
  23. }
  24.  
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