Submission #166794

#	Time	Username	Problem	Language	Result	Execution time	Memory
166794		tri	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;

#define pb push_back
#define f first
#define s second

namespace debug {
    const int DEBUG = true;

    template<class T1, class T2>
    void pr(const pair<T1, T2> &x);

    template<class T, size_t SZ>
    void pr(const array<T, SZ> &x);

    template<class T>
    void pr(const vector<T> &x);

    template<class T>
    void pr(const set<T> &x);

    template<class T1, class T2>
    void pr(const map<T1, T2> &x);

    template<class T>
    void pr(const T &x) { if (DEBUG) cout << x; }

    template<class T, class... Ts>
    void pr(const T &first, const Ts &... rest) { pr(first), pr(rest...); }

    template<class T1, class T2>
    void pr(const pair<T1, T2> &x) { pr("{", x.f, ", ", x.s, "}"); }

    template<class T>
    void prIn(const T &x) {
        pr("{");
        bool fst = 1;
        for (auto &a : x) {
            pr(fst ? "" : ", ", a), fst = 0;
        }
        pr("}");
    }

    template<class T, size_t SZ>
    void pr(const array<T, SZ> &x) { prIn(x); }

    template<class T>
    void pr(const vector<T> &x) { prIn(x); }

    template<class T>
    void pr(const set<T> &x) { prIn(x); }

    template<class T1, class T2>
    void pr(const map<T1, T2> &x) { prIn(x); }

    void ps() { pr("\n"), cout << flush; }

    template<class Arg, class... Args>
    void ps(const Arg &first, const Args &... rest) {
        pr(first, " ");
        ps(rest...);
    }
}
using namespace debug;


int valid(int N, int a[]) {
    set<int> seen;

    int off = -1;

    for (int i = 0; i < N; i++) {
        if (seen.count(a[i])) {
            return false;
        }
        seen.insert(a[i]);

        if (a[i] <= N) {
            int nOff = (N + i - (a[i] - 1)) % N;
            if (off == -1) {
                off = nOff;
            } else {
                if (off != nOff) {
                    return false;
                }
            }
        }
    }
    return true;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {

}

int countReplacement(int n, int inputSeq[]) {

}

//int main() {
//    int a[] = {1, 5, 3, 4, 2, 7, 6};
//    ps(valid(7, a));
//}

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:105:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:109:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/tmp/ccyDyrVu.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0xe2): undefined reference to `valid'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status