Submission #589280

#	Time	Username	Problem	Language	Result	Execution time	Memory
589280		Do_you_copy	곤돌라 (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
#include <gondola.h>
#define taskname "test"
#define fi first
#define se second
#define pb push_back
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
using ll = long long;
using pii = pair <int, int>;
using pil = pair <int, ll>;
using pli = pair <ll, int>;
using pll = pair <ll, ll>;
using ull = unsigned ll;
mt19937 Rand(chrono::steady_clock::now().time_since_epoch().count());

ll min(const ll &a, const ll &b){
    return (a < b) ? a : b;
}

ll max(const ll &a, const ll &b){
    return (a > b) ? a : b;
}

const ll Mod = 1000000007;
const ll Mod2 = 999999999989;
const int maxN = 1e5 + 1;

int n;

int valid(int N, int inputSeq[]){
    n = N;
    int pivot, cnt = 0, tem = INT_MAX;
    for (int i = 0; i < n; ++i){
        if (inputSeq[i] > n) ++cnt;
        if (tem > inputSeq[i]){
            tem = inputSeq[i];
            pivot = i;
        }
    }
    if (cnt == n) return 1;
    //pivot is where the number one is supposed to be at
    pivot = ((pivot - tem + 1) + n) % n;
    for (int i = pivot; i < pivot + n; ++i){
        if (inputSeq[i % n] <= n && inputSeq[i % n] != i - pivot + 1){
            return 0;
        }
    }
    return 1;
}



/*
void Init(){
    int a[] = {10, 4, 3, 11, 12};
    cerr << valid(5, a);
}


int main(){
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        //freopen(taskname".out", "w", stdout);
    }
    faster;
    ll tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
}
*/

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:43:21: warning: 'pivot' may be used uninitialized in this function [-Wmaybe-uninitialized]
   43 |     pivot = ((pivot - tem + 1) + n) % n;
      |               ~~~~~~^~~~~
/usr/bin/ld: /tmp/ccTwYHHT.o: in function `main':
grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
/usr/bin/ld: grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status