单选题库

int count = 0, i, j;
for (i = 1; i < 4; i++)
    for (j = 0; j < i; j++) {
        if (j % 3 != 0)
            continue;
        count += 1;
        break;
    }
cout << i << ' ' << j << ' ' << count;

int cnt = 0, i, j;
for (i = 0; i < 3; i++) {
    j = i;
    while (j) {
        cnt += 1;
        j -= 1;
    }
}
cout << i << ' ' << j << ' ' << cnt;

int i;
for (i = -2; i < 2; i++)
    if (not i % 3 == 0)
        cout << i << "#";
cout << i;

int tnt = 0;
for (int i = 1; i < 5; i += 3) {
    for (int j = 0; j < i; j++)
        tnt += 1;
    cout << tnt << "#";
}
cout << tnt;

int n;
cin >> n;
for (int i = n; i > 0; i--) {
    for (int j = 0; j < i; j++)
        cout << j + 1 << ' ';
    cout << endl;
}