oj.uz

답안 #164069

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
164069 2019-11-17T09:08:17 Z dandrozavr Bigger segments (IZhO19_segments) C++14
0 / 100
 2 ms 380 KB 
/*
Uruchamiamy samolot zwiadowczy ( + 500% do wzlamaniej )

/▄/  /█/  /🔥/   /▐/   /▌/ /▀/ /░/ /◐ / choose  your  own style

***IT'S OUR LONG WAY TO THE OIILLLL***


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*/



//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")

#include <bits/stdc++.h>

using namespace std;
#include <ext/pb_ds/detail/standard_policies.hpp>'
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;template <typename T> using ordered_set = tree <T, null_type, less< T >, rb_tree_tag,tree_order_statistics_node_update>;

#define pb push_back
#define ll long long
#define ld long double
#define fi first
#define se second
#define pii pair < ll , int >
#define pipii pair< int, pair < int , int > >
#define siz(n) (int)(n.size())
#define TIME 1.0 * clock() / CLOCKS_PER_SEC
mt19937 gen(chrono::high_resolution_clock::now().time_since_epoch().count());

const int inf=1e9 + 7;
const ll inf18=1e18 + 7;
const int N=1e6 + 7;
const int MN = 2097152;
const int M = 1e9 + 7;


int main() {

    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    srand(time(0));
    #ifdef Estb_probitie
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif

    int n;
    cin >> n;
    int a[n];
    int ans = 0;
    ll sum = 0, pr = -1;
    int ind = -1;
    ll all = 0;

    for (int i = 0; i < n; ++i)
    {
        cin >> a[i];
        all += a[i];
    }
    int prans = 0;
    for (int k = 1; k <= n; ++k)
    {
        ll need = all / k;
        ll sum = a[0], pr = 0;
        bool can = 1;
        ans = 0;

        for (int i = 0; i < n; ++i)
        {
            if (i + 1 < n && sum + a[i + 1] <= need)
            {
                sum += a[i + 1];
                continue;
            }
            if (sum < pr) {sum += a[i];continue;}

            ind = i;
            pr = sum;
            sum = 0;
            ++ans;
            if (i + 1 < n)
                sum = a[i + 1];
        }

        prans = max(ans, prans);
        if (ind != n - 1) --ans;
        if (!ans) can = 0;
    }

    cout << prans;

}

Compilation message

segments.cpp:35:50: warning: missing terminating ' character
 #include <ext/pb_ds/detail/standard_policies.hpp>'
                                                  ^
segments.cpp:35:50: warning: extra tokens at end of #include directive
segments.cpp: In function 'int main()':
segments.cpp:87:14: warning: variable 'can' set but not used [-Wunused-but-set-variable]
         bool can = 1;
              ^~~
segments.cpp:73:8: warning: unused variable 'sum' [-Wunused-variable]
     ll sum = 0, pr = -1;
        ^~~
segments.cpp:73:17: warning: unused variable 'pr' [-Wunused-variable]
     ll sum = 0, pr = -1;
                 ^~

Subtask #1
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Halted 0 ms 0 KB -