例75读程序,写出运行结果: while(n<=3) printf("输出外循环n=%小n",n); i=1; while (i<=2) printf(("1)输出内循环i=%dn",i) i++;} while(j<=3) printf("2)输出内循环j=%dm",j); n++;}n = 1 ; while ( n <= 3 ) { printf( " 输出外循环n=%d\n", n ); i = 1 ; while ( i <= 2 ) { printf( " 1) 输出内循环 i = %d\n", i ); i ++ ; } j = 1 ; while ( j <= 3 ) { printf( " 2) 输出内循环 j = %d\n", j ); j ++ ; } n ++ ; } 例7.5读程序，写出运行结果：