제출 #589287

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
589287		Do_you_copy	곤돌라 (IOI14_gondola)	C++14	25 / 100	38 ms	5156 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;
    map <int, bool> mp;
    int pivot, cnt = 0, tem = INT_MAX;
    for (int i = 0; i < n; ++i){
        if (mp[inputSeq[i]]) return 0;
        mp[inputSeq[i]] = 1;
        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;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    return 1;
}
int countReplacement(int n, int inputSeq[]){
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:46:21: warning: 'pivot' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |     pivot = ((pivot - tem + 1) + n) % n;
      |               ~~~~~~^~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 5 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10