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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void)
  5. {
  6. 	int date1=1234;
  7. 	float date2 = 45.6789;
  8. 	double date3 = 78.900000;
  9. 	char *str1="Hello!";
  10.  
  11. 	printf("    %%d格式==>%d\n",date1);
  12. 	printf("    %%f格式==>%f\n",date2);
  13. 	printf("    %%g格式==>%g\n",date3);
  14. 	printf("    %%s格式==>%s\n",str1);
  15. 	printf("====================================\n");
  16. 	printf("          ==>1234567890123456789\n");
  17. 	printf("             -------------------\n");
  18. 	printf("%%.0d格式==>%.0d\n",date1);
  19. 	printf("%%.0d格式==>%.0f\n",date2);
  20. 	printf("====================================\n");
  21. 	printf("          ==>1234567890123456789\n");
  22. 	printf("             -------------------\n");
  23. 	printf("%%.3s格式==>%.3s\n",str1);
  24. 	printf("%%.1f格式==>%.1f\n",date2);
  25. 	printf("%%.5f格式==>%.5f\n",date2);
  26. 	printf("%%.1g格式==>%.1g\n",date3);
  27. 	printf("%%.5g格式==>%.5g\n",date3);
  28. 	printf("====================================\n");
  29. 	printf("          ==>1234567890123456789\n");
  30. 	printf("             -------------------\n");
  31. 	printf("%%.*f格式==>%.*f\n",3,date2);
  32.  
  33. 	return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin 
Standard input is empty
stdout 
    %d格式==>1234
    %f格式==>45.678902
    %g格式==>78.9
    %s格式==>Hello!
====================================
          ==>1234567890123456789
             -------------------
%.0d格式==>1234
%.0d格式==>46
====================================
          ==>1234567890123456789
             -------------------
%.3s格式==>Hel
%.1f格式==>45.7
%.5f格式==>45.67890
%.1g格式==>8e+01
%.5g格式==>78.9
====================================
          ==>1234567890123456789
             -------------------
%.*f格式==>45.679
https://ideone.com/8YXwGb
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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