Submission #1083131

#	Time	Username	Problem	Language	Result	Execution time	Memory
1083131		sh1ro	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	25 ms	8532 KiB

triusis

#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define fi first
#define se second
using namespace std;
const int N = 3e5 + 4;
const int oo = 1e18;
const int mod = 1e9 + 7;
int t, n, q, m, k = 0, ans = 0, a[N];
vector<int>v, vi;

void solve(){
    cin >> n >> k;
    for (int i = 0; i < n; i++){
        cin >> a[i];
        if ((i + 1) * k >= a[i])vi.push_back((i + 1) * k - a[i]);
    }
    for (int i = 0; i < vi.size(); i++){
        m = upper_bound(v.begin(), v.end(), vi[i]) - v.begin();
        if (m == v.size())v.push_back(vi[i]);
        else v[m] = vi[i];
    }
    cout << n - v.size();
}

main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen("cowjog.in", "r", stdin); freopen("cowjog.out", "w", stdout);
    t = 1;
    //cin >> t;
    while (t--)solve();
    return 0;
}

Compilation message (stderr)

triusis.cpp: In function 'void solve()':
triusis.cpp:19:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for (int i = 0; i < vi.size(); i++){
      |                     ~~^~~~~~~~~~~
triusis.cpp:21:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         if (m == v.size())v.push_back(vi[i]);
      |             ~~^~~~~~~~~~~
triusis.cpp: At global scope:
triusis.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   27 | main() {
      | ^~~~

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