Submission #722207

#	Time	Username	Problem	Language	Result	Execution time	Memory
722207		Ronin13	Holiday (IOI14_holiday)	C++14	Compilation error	0 ms	0 KiB

holiday

#include"holiday.h"
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pb push_back
#define epb emplace_back
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
using namespace std;


ll slv(int s, ll a[], int d, int x, int n){

        multiset <ll> st;
        ll ss = 0;
        ll mx = 0;
        int cnt = 0;
        for(int i = s; i < n; i++){
            int x = d - (cnt);
            cnt++;
            st.insert(a[i]);
            ss += a[i];
            while(st.size() > x)
                ss -= *st.begin(), st.erase(st.begin());
            mx = max(mx, ss);
        }
        return mx;

}

long long int findMaxAttraction(int n, int start, int d, int attraction[]) {
    ll a[n + 1];
    for(int i = 0; i < n; i++)
        a[i] = attraction[i];
    if(start == 0){
        multiset <ll> st;
        ll s = 0;
        ll mx = 0;
        for(int i = 0; i < n; i++){
            int x = d - i;
            st.insert(a[i]);
            s += a[i];
            while(st.size() > x)
                s -= *st.begin(), st.erase(st.begin());
            mx = max(mx, s);
        }
        return mx;
    }
    else{
        ll ans = 0;
        for(int i = 0; i <= start; i++){
            if(d > start - i)
            ll x = slv(i, a, d - (start - i), start, n);
            ans = max(ans, x);
        }
        for(int i = 0; i < n; i++){
            if(i < n - 1- i)
                swap(a[i], a[n - 1 - i]);
        }
        start = n - start - 1;
        for(int i = 0; i <= start; i++){
            if(d > start - i)
            ll x = slv(i, a, d - start + i, start,n);
            ans = max(ans, x);
        }
        return ans;
    }
    return 0;
}

Compilation message (stderr)

holiday.cpp: In function 'long long int slv(int, long long int*, int, int, int)':
holiday.cpp:25:29: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |             while(st.size() > x)
      |                   ~~~~~~~~~~^~~
holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:45:29: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |             while(st.size() > x)
      |                   ~~~~~~~~~~^~~
holiday.cpp:55:16: warning: unused variable 'x' [-Wunused-variable]
   55 |             ll x = slv(i, a, d - (start - i), start, n);
      |                ^
holiday.cpp:56:28: error: 'x' was not declared in this scope
   56 |             ans = max(ans, x);
      |                            ^
holiday.cpp:65:16: warning: unused variable 'x' [-Wunused-variable]
   65 |             ll x = slv(i, a, d - start + i, start,n);
      |                ^
holiday.cpp:66:28: error: 'x' was not declared in this scope
   66 |             ans = max(ans, x);
      |                            ^