2631 줄 세우기

#include <stdio.h>
 
int arr[205] = { 0 };
int dp[205] = { 0 };
 
int main() {
    int n;
    scanf("%d", &n);
 
    for (int i = 1; i <= n; i++) {
        scanf("%d", &arr[i]);
    }
 
    for (int i = 1; i <= n; i++) {
        int maxV = 0;
        for (int j = 1; j < i; j++) {
            if (arr[j] < arr[i]) {
                if (maxV < dp[j])
                    maxV = dp[j];
            }
        }
 
        dp[i] = maxV + 1;
    }
 
    int rst = 0;
    for (int i = 1; i <= n; i++) {
        if (rst < dp[i])
            rst = dp[i];
    }
 
    printf("%d", n - rst);
}