Kulut

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n,a,b,c,d,m,s,p;
    char x;
    cin >> n;
    a = 0;
    b = 0;
    c = 0;
    d = 0;
    s = 0;
    p = 6;
    for (int i = 0; i < n; i++) {
        cin >> x >> m;
        if (x == 'A') {
            a = a+m;
            s = s+m;
        }
        if (x == 'B') {
            b = b+m;
            s = s+m;
        }
        if (x == 'C') {
            c = c+m;
            s = s+m;
        }
        if (x == 'D') {
            d = d+m;
            s = s+m;
        }
    }
    if (b == 0) p = p-1;
    if (c == 0) p = p-1;
    if (d == 0) p = p-1;
    cout << p << "\n";
    if (b != 0) cout << "A" << " " << "B" << " " << b << "\n";
    if (c != 0) cout << "A" << " " << "C" << " " << c << "\n";
    if (d != 0) cout << "A" << " " << "D" << " " << d << "\n";
    cout << "B" << " " << "A" << " " << s/4 << "\n";
    cout << "C" << " " << "A" << " " << s/4 << "\n";
    cout << "D" << " " << "A" << " " << s/4 << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED