假设成绩为x,看是输入还是读取文件啥的 用 if( x >= 60 && x < 70 ) { printf("中等.\n" ); } else if( x >= 70 && x < 80 ) { ....... } 写上一串if else 做
或者用switch来做 switch( x/10 ) case 0: case 1: case 2: case 3: case 4: case 5: printf( "不及格.\n" ); break; case 6: ... break; case 7: ... break; case 8: ... break; case 9: case 10: ... break; defualt ... break;