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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4. void modify(string& s) {
  5.     string res;
  6.     size_t i = 0;
  7.     while (i < s.size()) {
  8.         while (i < s.size() && s[i] == ' ') ++i;
  9.         if (i >= s.size()) break;
  10.         size_t j = i;
  11.         while (j < s.size() && s[j] != ' ') ++j;
  12.         string w = s.substr(i, j - i);
  13.         bool lettersOnly = true;
  14.         bool symbolsOnly = true;
  15.         for (char c : w) {
  16.             if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))) lettersOnly = false;
  17.             if (!(c == '&' || c == '$' || c == '%')) symbolsOnly = false;
  18.         }
  19.         if (!symbolsOnly) {
  20.             string t;
  21.             for (char c : w) {
  22.                 if (c == '&') t.push_back('*');
  23.                 else if (c == '%') { t.push_back('!'); t.push_back('!'); }
  24.                 else if (c == '$');
  25.                 else t.push_back(c);
  26.             }
  27.             if (lettersOnly) {
  28.                 for (char& c : t) if (c >= 'a' && c <= 'z') c = char(c - ('a' - 'A'));
  29.             }
  30.             if (!t.empty()) {
  31.                 if (!res.empty()) res.push_back(' ');
  32.                 res += t;
  33.             }
  34.         }
  35.         i = j;
  36.     }
  37.     s = res;
  38. }
  39. int main() {
  40.     string s;
  41.     if (!getline(cin, s)) return 0;
  42.     modify(s);
  43.     cout << s;
  44.     return 0;
  45. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin 
111 & 000 equeals 0
stdout 
111 000 EQUEALS 0
https://ideone.com/YcO9XT
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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