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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a, b;
  5. a = 5;
  6. b = a*a;
  7. printf("%dの2乗は%d",a,b);
  8. return 0;
  9. }
  10.  
Success #stdin #stdout 0s 5272KB
stdin
Standard input is empty
stdout
5の2乗は25