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답안 #88906

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
88906 2018-12-09T18:54:43 Z heon Kas (COCI17_kas) C++11
0 / 100
 554 ms 525312 KB 
#include<bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
typedef vector <int> vi;
typedef pair<int,int> ii;
typedef long long ll;

const int MOD = 1e9 + 7;

vi v;
ll dp[100005][505];
ll dp2[100005][505];

ll f(int n, int ind, int prvi, int drugi, int ostalo){  // minimiziraj ostatak
	if(ind == n && prvi != drugi) return MOD;
	if(ind == n && prvi == drugi) return ostalo;
	if(dp[prvi + drugi][ind] != -1) return dp[prvi + drugi][ind];
	return dp[prvi + drugi][ind] = min({f(n, ind + 1, prvi + v[ind], drugi, ostalo), f(n, ind + 1, prvi, drugi + v[ind], ostalo),
										f(n, ind + 1, prvi, drugi, ostalo + v[ind])});
}

ll g(int n, int ind, int prvi, int drugi, int ostalo, int target){  // maksimiziraj dobitak
	if(ind == n && ostalo != target) return -MOD;
	if(ind == n && prvi != drugi) return -MOD;
	if(ind == n && prvi == drugi && ostalo == target) return prvi;
	if(dp2[prvi + drugi][ind] != -1) return dp2[prvi + drugi][ind];
	return dp2[prvi + drugi][ind] = max({g(n, ind + 1, prvi + v[ind], drugi, ostalo, target), g(n, ind + 1, prvi, drugi + v[ind], ostalo, target),
										g(n, ind + 1, prvi, drugi, ostalo + v[ind], target)});
}

int main(){

    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;
    v.resize(n);
    memset(dp, -1, sizeof(dp));
    memset(dp2, -1, sizeof(dp2));
    for(int i = 0; i < n; i++){
    	cin >> v[i];
    }
    int left = f(n, 0, 0, 0, 0);
    cout << g(n, 0, 0, 0, 0, left) + left;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 554 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 476 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 424 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 530 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 415 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 476 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 409 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 370 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 415 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 410 ms 525312 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -