oj.uz

답안 #953376

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
953376 2024-03-25T23:31:02 Z phamducminh Kas (COCI17_kas) C++17
0 / 100
 168 ms 398932 KB 
//******************/
//*   I<3   C++    */
//*  I WANT ANY AC */
//* I LOVE PROGRAM!*/
//*IT'S long longERESTING*/
//* I LOVE PROGRAM!*/
//*  IN CONTESTS   */
//*   GET SCORE    */
//*    AC CODE     */
//*     LET'S      */
//*      GO        */
//*  Written by:   */
//*   Duc Minh     */






#include <bits/stdc++.h>
#include <iostream>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <algorithm>
#include <string>
#include <queue>
#include <cctype>
#include <cstring>
#include <iomanip>
#include <deque>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>

using namespace std;
// using namespace __gnu_pbds;

#define  file(name)  freopen(name".inp", "r", stdin);\
                     freopen(name".out", "w", stdout);
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define TIME        (1.0 * clock() / CLOCKS_PER_SEC)
#define all(a)      a.begin(),a.end()
#define endl        "\n"
#define all1(a)     a+1,a+n+1
#define unordered_map  map
// #define push_back   emplace_back
// #define gcd(a,b)    __gcd(a,b);
// #define lcm(a,b)    (a*b)/gcd(a,b);

const long long INF = (long long)1e9;
const long long MOD = (long long)1e9+7;
const long long MODD = 1e9; /// 998244353
const int maxN = 1e5+55;
const int LOG = 30;
const int mlift = 20;







///--------------------------------


void solve();

signed main(){

    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    #ifndef ONLINE_JUDGE
        file("ducminh");
    #endif


    // file("CTREE");







    long long t;


    // cin >> t;

    t=1;



    while (t--){




        solve();


    }





    cerr << "Time elapsed: " << TIME << "s.\n";
    cerr << "ducminh" << "\n";
    return 0;
}



///--------------------[PROBLEM SOLUTION]--------------------///



long long dp[509][100009];
long long sum=0,n,a[509];

void solve(){


    // dp[i][sum]

    cin >> n;

    for (int i=1; i<=n; i++){
        cin >> a[i];
        sum+=a[i];
    }

    memset(dp, 0x3f, sizeof(dp));
    dp[0][0] = 0;


    for (int i=1; i<=n; i++){
        for (int j=0; j<=sum; j++){
            if (j+a[i]<=sum) dp[i][j]=min(dp[i][j],dp[i-1][j+a[i]]);
            dp[i][j]=min({dp[i][j],dp[i-1][j]+a[i],dp[i-1][abs(j-a[i])]});
        }
    }


    cout << (sum-dp[n][0])/2+dp[n][0];



}

Compilation message

kas.cpp: In function 'int main()':
kas.cpp:40:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 | #define  file(name)  freopen(name".inp", "r", stdin);\
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kas.cpp:74:9: note: in expansion of macro 'file'
   74 |         file("ducminh");
      |         ^~~~
kas.cpp:41:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |                      freopen(name".out", "w", stdout);
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
kas.cpp:74:9: note: in expansion of macro 'file'
   74 |         file("ducminh");
      |         ^~~~

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 168 ms 398932 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 80 ms 398784 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 87 ms 398928 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 107 ms 398808 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 81 ms 398776 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 75 ms 398932 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 74 ms 398872 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 76 ms 398928 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 74 ms 398900 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 79 ms 398932 KB Output isn't correct
2 Halted 0 ms 0 KB -