問題：B - 文字数カウント #include <cstdio> #include <iostream> #include <string> using namespace std; #define REP(i, n) for (int i = 0; i < (n); ++i) int main(void) { string s; int cnt[6] = {0}; cin >> s; REP(i, s.length()) { cnt[s[i] - 'A']++; } REP(i, 6) { (i != </string></iostream></cstdio>…