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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. char ch;
  6. printf("please input a character\n");
  7. ch=getchar();
  8. putchar(ch);
  9. putchar(ch-32);
  10. printf("请按任意键继续");
  11. return 0;
  12. }
  13.  
Success #stdin #stdout 0s 5320KB
stdin
g
stdout
please input a character
gG请按任意键继续