用c语言统计4科成绩及格率答:printf ("%-6s%2c%-8d%2c%-5.2f%c",subject[0],32,sub1PassCount,32,sub1PassRate*100,'%'); putchar ('\n'); printf ("%-6s%2c%-8d%2c%-5.2f%c",subject[1],32,sub2PassCount,32,sub2PassRate*100,'%'); putchar ('\n'); printf ("%-6s%2c%-8d%2c%-5.2f%c",subject[...