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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int score;
  5. do{
  6. printf("半径?");
  7. scanf("%d",&score);
  8. }while(score<0||100<score);
  9. printf("点数は%d",score);
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 9416KB
stdin
-5
67
stdout
半径?半径?点数は67