Submission #552283

#	Time	Username	Problem	Language	Result	Execution time	Memory
552283		pckien	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

string guess_sequence(int N) {

    string s;
    char mov[5];

    mov[1] = 'X';
    mov[2] = 'Y';
    mov[3] = 'A';
    mov[4] = 'B';

    int cnt = 0;
    fto (i, 1, N) {
        fto (j, 1, 4) {
            s += mov[j];

            int t = press(s);
            if (t > cnt) {
                cnt = t;
                break;
            }
            s.pop_back();
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp:1:1: error: 'string' does not name a type
    1 | string guess_sequence(int N) {
      | ^~~~~~