21 lines
523 B
C++
21 lines
523 B
C++
#include<bits/stdc++.h>
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using namespace std;
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int main() {
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string str;
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//因为题目要求可能存在空格
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getline(cin, str);
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int a = 0, b = 0, c = 0, d = 0;
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for (int i = 0; i < str.size(); i++) {
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if (str[i] >= 'a' && str[i] <= 'z') a++;
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else if (str[i] >= 'A' && str[i] <= 'Z') a++;
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else if (str[i] == ' ') b++;
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else if (str[i] >= '0' && str[i] <= '9') c++;
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else d++;
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}
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cout << a << " " << b << " " << c << " " << d << endl;
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return 0;
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}
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