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Submission #508650

# Submission time Handle Problem Language Result Execution time Memory
508650 2022-01-13T13:43:37 Z CyberSleeper Potatoes and fertilizers (LMIO19_bulves) C++14
0 / 100
 16 ms 864 KB 
#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, 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)
            continue;
        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

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;
      |               ~~~~^~
bulves.cpp: In function 'int main()':
bulves.cpp:39:23: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |     while(best.size() > A)
      |           ~~~~~~~~~~~~^~~

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Incorrect 16 ms 864 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Incorrect 16 ms 864 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Incorrect 1 ms 332 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Incorrect 1 ms 332 KB Output isn't correct
6 Halted 0 ms 0 KB -