Submission #673469

#	Time	Username	Problem	Language	Result	Execution time	Memory
673469		Do_you_copy	Crayfish scrivener (IOI12_scrivener)	C++17	Compilation error	0 ms	0 KiB

scrivener

//Then
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e6 + 10;
//const int Mod = 1e9 + 7;
//const int inf =
int q;
int pos[maxN], cnt, cnt1;
int depth[maxN];
int lift[maxN][20];
char s[maxN];
void Init(){
    cin >> q;
    while (q--){
        char c, t;
        int x;
        cin >> t;
        if (t == 'T'){
            cin >> c;
            pos[++cnt1] = ++cnt;
            lift[cnt][0] = pos[cnt1 - 1];
            for (int i = 1; i < 20; ++i){
                lift[cnt][i] = lift[lift[cnt][i - 1]][i - 1];
            }
            depth[cnt] = depth[pos[cnt1 - 1]] + 1;
            s[cnt] = c;
        }
        else{
            cin >> x;
            if (t == 'P'){
                int u = pos[cnt1];
                int k = depth[cnt] - x - 1;
                while (k){
                    int t = __builtin_ctz(k);
                    u = lift[u][t];
                    k -= 1 << t;
                }
                cout << s[u] << "\n";
            }
            else{
                ++cnt1;
                pos[cnt1] = pos[cnt1 - x - 1];
            }
        }
    }
}

#define debug
#define taskname "test"
signed main(){
    faster
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    if (fopen("timeout.txt", "r")){
        ofstream timeout("timeout.txt");
        timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
        timeout.close();
        #ifndef debug
        cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
        #endif // debug
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cczPDExW.o: in function `main':
scrivener.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc11PkiV.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc11PkiV.o: in function `main':
grader.cpp:(.text.startup+0xff): undefined reference to `TypeLetter(char)'
/usr/bin/ld: grader.cpp:(.text.startup+0x15f): undefined reference to `UndoCommands(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x18b): undefined reference to `GetLetter(int)'
collect2: error: ld returned 1 exit status