Submission #477866

#	Time	Username	Problem	Language	Result	Execution time	Memory
477866		sumit_kk10	Global Warming (NOI13_gw)	C++17	6 / 40	1094 ms	33984 KiB

gw

#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
#define ll long long int
#define ld long double
using namespace std;
const int N = 1e6 + 5;
const int MOD = 1e9 + 7;

void solve(){
    int n;
    cin >> n;
    vector<long long> a(n);
    for(int i = 0; i < n; ++i)
        cin >> a[i];
    vector<pair<long long, int> > comp;
    for(int i = 0; i < a.size(); ++i)
        comp.push_back({a[i], i});
    sort(comp.begin(), comp.end());
    int ct = 1;
    a[comp[0].second] = ct;
    for(int i = 1; i < comp.size(); ++i){
        if(comp[i].first != comp[i - 1].first)
            ++ct;
        a[comp[i].second] = ct;
    }
    int ans = 0;
    for(int i = 1; i <= ct; ++i){
        int x = 0;
        for(int j = 1; j <= n; ++j){
            int cur = j;
            while(a[cur] > i)
                ++cur;
            if(cur != j){
                j = cur - 1;
                ++x;
            }
        }
        ans = max(ans, x);
    }
    cout << ans << "\n";
}

int main(){
    fast;
    int t = 1;
    // cin >> t;
    while(t--)
        solve();
    return 0;
}

Compilation message (stderr)

gw.cpp: In function 'void solve()':
gw.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0; i < a.size(); ++i)
      |                    ~~^~~~~~~~~~
gw.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(int i = 1; i < comp.size(); ++i){
      |                    ~~^~~~~~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 6 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11