下面的 C++ 代码执行后其输出是( )。

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

{{ select(1) }}

• 1#5#5
• 1#5#5#
• 1#5#12#12
• 0