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  1. #include<stdio.h>
  2. int main(){
  3. int n1;
  4. scanf("%f",&n1);
  5. char ch;
  6. scanf("%c",&ch);
  7. int n2;
  8. scanf("%f",&n2);
  9. switch(ch){
  10. case '+':
  11. printf("%f",n1+n2);
  12. break;
  13. case '-':
  14. printf("%f",n1-n2);
  15. break;
  16. case '*':
  17. printf("%f",n1*n2);
  18. break;
  19. case '/':
  20. printf("%f",n1/n2);
  21. break;
  22. }
  23. return 0;
  24. }
Success #stdin #stdout 0.02s 25840KB
stdin
3+4
stdout
#include<stdio.h>
int main(){
    int n1;
    scanf("%f",&n1);
    char ch;
    scanf("%c",&ch);
    int n2;
    scanf("%f",&n2);
    switch(ch){
        case '+':
        printf("%f",n1+n2);
        break;
        case '-':
        printf("%f",n1-n2);
        break;
        case '*':
        printf("%f",n1*n2);
        break;
        case '/':
        printf("%f",n1/n2);
        break;
    }
    return 0;
}