Submission #508377

#	Time	Username	Problem	Language	Result	Execution time	Memory
508377		CyberSleeper	Potatoes and fertilizers (LMIO19_bulves)	C++14	20 / 100	1038 ms	824 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          int
#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, DP[2][30005];

int main(){
    fastio;
    cin >> N;
    for(ll ii=1, now, bef; ii<=N; ii++){
        now=ii%2, bef=now^1;
        ll a, b;
        cin >> a >> b;
        A+=a-b;
        for(ll j=0; j<=30000; j++){
            DP[now][j]=DP[bef][j]+abs(j-A);
            if(j>0)
                DP[now][j]=min(DP[now][j], DP[now][j-1]);
        }
    }
    cout << DP[N%2][A] << nl;
}

Compilation message (stderr)

bulves.cpp:19:19: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   19 | const ll INFF=1e18+7;
      |               ~~~~^~

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