Submission #413262

#	Time	Username	Problem	Language	Result	Execution time	Memory
413262		kwongweng	Rabbit Carrot (LMIO19_triusis)	C++17	0 / 100	1 ms	204 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef pair<ll, ll> pll;
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define ROF(i,a,b) for (int i = a; i >=b; i--)
#define pb push_back
#define ms memset
#define F first
#define S second
ll MOD = 1000000007;
//ll MOD = 998244353

ll power(ll base, ll n){
    if (n == 0) return 1;
    if (n == 1) return base;
    ll halfn = power(base, n/2);
    if (n % 2 == 0) return (halfn*halfn) % MOD;
    return (((halfn*halfn)%MOD)*base) % MOD;
}

ll inverse(ll n){
    return power(n, MOD-2);
}

ll add(ll a, ll b){
    return (a+b) % MOD;
}

ll mul(ll a, ll b){
    return (a*b) % MOD;
}

ll gcd(ll a, ll b){
    if (a == 1) return 1;
    if (a == 0) return b;
    return gcd(b%a, a);
}
int main(){
    ios::sync_with_stdio(false);
    int n, m; cin >> n >> m;
    vi a(n+1);
    FOR(i, 1, n+1) cin >> a[i];
    FOR(i, 1, n+1) a[i] = i*m - a[i];
    int ans = 0;
    vi dp;
    FOR(i, 1, n+1){
        if (a[i] < 0) continue;
        int pos = lower_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
        if (dp.size() == pos){
            dp.pb(a[i]);
        }else{
            dp[pos] = a[i];
        }
    }
    cout << n - ans << '\n';
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:54:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |         if (dp.size() == pos){
      |             ~~~~~~~~~~^~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37