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#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<map>
using namespace std;
int main() {
string s;
int ch = 0, num = 0, Main = 0, Else = 0;
getline(cin, s);
for (int i = 0;i < s.length();i++) {
if (s[i] >= 'a' && s[i] <= 'z' || s[i] >= 'A' && s[i] <= 'Z') {
ch++;
}
else if (s[i] >= '0' && s[i] <= '9') {
num++;
}
else if (s[i] == ' ') {
Main++;
}
else {
Else++;
}
...
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