C语言整数输出格式：十进制、八进制和十六进制

#include <stdio.h>\n#include <math.h>\n\nint main()\n{\n int a,b,c,i;\n \n scanf("%d","&i");\n \n printf("i=%o ",i);\n printf("i=%d ",i);\n printf("i=%X ",i);\n \n return 0;\n}