a = 13;
b = 5;
cout << a / b << a %// b<< a % b;
a * b;

int N = 0, i;

for (i = -100; i < 100; i++)

    N += i % 10;

cout << N;

int i;

for(i = 1; i < 5; i++) {

    if (i % 3 == 0)

        break;

    printf("%d#",i);

}

if(i > 5) printf("END\n");

cout << "請輸入個(gè)位數(shù)不為 0 的正整數(shù):";

cin >> N;

rst = 0; // 保存逆序結(jié)果

while ( __________ ) {

    rst = rst * 10 + N % 10;

    N = N / 10;

}

cout << rst << endl;

int N, M, div=1;

cout << "請輸入一個(gè)正整數(shù):";

cin >> N;

cout << "請輸入從右到左取第幾位數(shù):";

cin >> M;

for (int i = 0; i < (M - 1); i++) div *= 10;

cout << ( __);

num = 0;

while (num <= 5) {

    num += 1;

    if (num == 3)

        continue;

    printf("%d#", num);

}

cin >> now_num;

min_num = max_num = now_num;

while (now_num != -999){

    if (max_num < now_num)

        max_num = now_num;

    if (min_num > now_num)

        min_num = now_num;

    cin >> now_num;

}

cout << min_num << ' ' << max_num;