Submission #309292

#	Time	Username	Problem	Language	Result	Execution time	Memory
309292		jainbot27	곤돌라 (IOI14_gondola)	C++17	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
// #include "gondola.h"
using namespace std;

#define f first
#define s second
#define pb push_back
#define ar array
#define all(x) x.begin(), x.end()
#define siz(x) (int)x.size()

#define FOR(x, y, z) for(int x = (y); x < (z); x++)
#define ROF(x, z, y) for(int x = (y-1); x >= (z); x--)
#define F0R(x, z) FOR(x, 0, z)
#define R0F(x, z) ROF(x, 0, z)
#define trav(x, y) for(auto&x:y)

using ll = long long;
using vi = vector<int>;
using vl = vector<long long>;
using pii = pair<int, int>;
using vpii = vector<pair<int, int>>;

template<class T> inline bool ckmin(T&a, T b) {return b < a ? a = b, 1 : 0;}
template<class T> inline bool ckmax(T&a, T b) {return b > a ? a = b, 1 : 0;}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const char nl = '\n';
const int mxN = 2e5 + 10;
const int MOD = 1e9 + 7;
const long long infLL = 1e18;

int valid(int n, int* _inputSeq){
    vi inputSeq(n);
    F0R(i, n){
        inputSeq[i] = _inputSeq[i];
        inputSeq[i]--;
    }
    vi vals;
    F0R(i, n){
        vals.pb(inputSeq[i]);
    }
    sort(all(vals));
    vals.resize(unique(all(vals))-vals.begin());
    if(siz(vals)!=n) return 0;
    if(vals[0]>=n) return 1;
    int pos;
    F0R(i, n){
        if(inputSeq[i] < n){
            pos = i;
            break;
        }
    }
    int ff = inputSeq[pos];
    F0R(i, n){
        if(inputSeq[i]<=n){
            int dif = i - pos;
            int should = (n + ff + dif)%n;
            if(inputSeq[i] != should) return 0;
        }
    }
    return 1;
}

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

}

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

}

// int32_t main(){
//     ios_base::sync_with_stdio(0); cin.tie(0);


//     return 0;
// }

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:66:9: warning: unused variable 'copy' [-Wunused-variable]
   66 |     int copy[n];
      |         ^~~~
gondola.cpp:68:1: warning: no return statement in function returning non-void [-Wreturn-type]
   68 | }
      | ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:72:1: warning: no return statement in function returning non-void [-Wreturn-type]
   72 | }
      | ^
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:47:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   47 |     int pos;
      |         ^~~
/tmp/ccqY8RJN.o: In function `main':
grader.cpp:(.text.startup+0xa2): undefined reference to `valid'
grader.cpp:(.text.startup+0xee): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0x112): undefined reference to `replacement'
collect2: error: ld returned 1 exit status