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  1. #include <stdio.h>//第0講演習 01-1
  2.  
  3. int three(){
  4. return 3;
  5. }
  6. int main() {
  7. int x;
  8. x=three();
  9. printf("x=%d\n",x);
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 5300KB
stdin
Standard input is empty
stdout
x=3