oj.uz

답안 #1092708

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1092708 2024-09-24T19:22:10 Z Seb Potatoes and fertilizers (LMIO19_bulves) C++17
0 / 100
 13 ms 5188 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T> //order_of_key = menores, find_by_order = consultar indexado en 0, regresa iterador
using ordered_set =  tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vll = vector<ll>;
using vii = vector<int>;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());

#define mid ((l+r)>>1)
#define f first
#define s second
#define pb push_back
#define MP make_pair
#define all(x) (x).begin(),(x).end()
#define inicio(x) (*(x).begin())
#define rinicio(x) (*(x).rbegin())
#define SZ(x) (int)(x.size())

const ll MAXN = (ll)1e5 + 5;
const ll MOD = (ll)1e9 + 7;
const ll INF = (ll)1e12 + 5;
const ll OFFSET = (ll)1e6;

ll dp[2][MAXN];

void tc() {
    ll N, a, b, sum = 0, caso = 0; cin >> N;
    for (int i = 0; i < N; i++) {
        cin >> a >> b;
        a -= b;
        caso += a;
        if (i) {
            dp[0][i] = dp[0][i - 1] + abs(sum);
            dp[1][i] = min(dp[1][i - 1], dp[0][i - 1]) + abs(sum - 1);
        }
        sum += a;
    }
    if (caso) cout << min(dp[0][N - 1], dp[1][N - 1]) << "\n";
    else cout << dp[0][N - 1] << "\n";
    return;
}

int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);
    int t = 1;
    //cin >> t;
    for (int i = 1; i <= t; i++) {
        tc();
    }
    return 0;
}

//checa tus constantes, n = 1? overflow?

Subtask #1
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 5 ms 1372 KB Output is correct
5 Correct 9 ms 2468 KB Output is correct
6 Runtime error 13 ms 5188 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Correct 5 ms 1372 KB Output is correct
5 Correct 9 ms 2468 KB Output is correct
6 Runtime error 13 ms 5188 KB Execution killed with signal 11
7 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 472 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -