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  1. #include <stdio.h>
  2. int func(int n){
  3. if(n<0){
  4. return -n;
  5.  
  6. }
  7. else{
  8. return n;
  9. }
  10. }
  11.  
  12.  
  13. int main(void) {
  14. int n, m = -3;
  15. n = func(m);
  16. printf("%dの絶対値は%d\n", m,n);
  17. return 0;
  18. }
  19.  
Success #stdin #stdout 0s 5288KB
stdin
Standard input is empty
stdout
-3の絶対値は3