题解 | #密码验证合格程序#
密码验证合格程序
https://www.nowcoder.com/practice/184edec193864f0985ad2684fbc86841
#include <iostream>
#include <set>
using namespace std;
int main() {
string str;
while (getline(cin, str)) {
int a[4] = {0};
for (auto i : str) {
if (i >= 'A' && i <= 'Z') {
a[0] = 1;
} else if (i >= 'a' && i <= 'z') {
a[1] = 1;
} else if (i >= '0' && i <= '9') {
a[2] = 1;
} else
a[3] = 1;
}
int sum = a[0] + a[1] + a[2] + a[3];
bool zc1 = true;
for (auto i : str) {
if (i == ' ' || i == '\n') {
zc1 = false;
break;
}
}
bool zc2 = true;
set<string>st;
string s;
for (int i = 0; i < str.length() - 2; i++) {
s = str.substr(i, 3);
if (st.find(s) == st.end()) {
st.insert(s);
} else {
zc2 = false;
break;
}
}
if (str.length() > 8 && sum >= 3 && zc1 && zc2)
cout << "OK" << endl;
else
cout << "NG" << endl;
}
}
// 64 位输出请用 printf("%lld")

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