Submission #3592467

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Source Code Expand

// Why am I so dumb? :c
#include <bits/stdc++.h>

#define pb push_back
#define mp make_pair

#define all(x) (x).begin(), (x).end()

#define fi first
#define se second

using namespace std;

typedef long long ll;

const int MAXN = (int)2e5 + 5;

int arr[MAXN];

int n, ans;

void solve() {
    scanf("%d", &n);

    for (int i = 1, x; i <= n; ++i) {
        scanf("%d", &x);
        arr[x] = i;
    }

    for (int i = 1, x = 0; i <= n; ++i) {
        if (arr[i] > arr[i - 1]) {
            ++x;
        }
        else {
            x = 1;
        }

        ans = max(ans, x);
    }

    printf("%d\n", n - ans);
}

int main() {
    int tt = 1;

    while (tt--) {
        solve();
    }

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void solve()’:
./Main.cpp:23:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:26:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
                        ^

Judge Result