Submission #508663

#	Time	Username	Problem	Language	Result	Execution time	Memory
508663		CyberSleeper	Potatoes and fertilizers (LMIO19_bulves)	C++14	24 / 100	153 ms	4540 KiB

bulves

#include <bits/stdc++.h>
#define fastio      ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define debug(x)    cout << "Line " << __LINE__ << ", " << #x << " is " << x << endl
#define fi          first
#define se          second
#define mp          make_pair
#define pb          push_back
#define ll          long long
#define ull         unsigned long long
#define pii         pair<int, int>
#define pll         pair<ll, ll>
#define ld          long double
#define nl          '\n'
#define tb          '\t'
#define sp          ' '
using namespace std;
 
const int MX=3005, MOD=998244353, BLOCK=327, INF=1e9+7;
const ll INFF=1e18+7;
const ld ERR=1e-7, pi=3.14159265358979323846;
 
ll N, A, ans;
priority_queue<ll> best;
 
int main(){
    fastio;
    cin >> N;
    for(ll i=1; i<=N; i++){
        ll a, b;
        cin >> a >> b;
        A+=a-b;
        ans+=abs(A);
        if(A<0){
            best.push(0);
            best.push(0);
        }else{
            best.push(A);
            best.push(A);
        }
        best.pop();
    }
    while(best.size()>A)
        best.pop();
    while(best.size()){
        ans-=best.top();
        best.pop();
    }
    cout << ans << nl;
}

Compilation message (stderr)

bulves.cpp: In function 'int main()':
bulves.cpp:42:22: warning: comparison of integer expressions of different signedness: 'std::priority_queue<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   42 |     while(best.size()>A)
      |           ~~~~~~~~~~~^~

• Subtask 1: 24 / 24
• Subtask 2: 0 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 36