Submission #696281

#	Time	Username	Problem	Language	Result	Execution time	Memory
696281		bachhoangxuan	Kas (COCI17_kas)	C++17	100 / 100	53 ms	1128 KiB

kas

// Judges with GCC >= 12 only needs Ofast
// #pragma GCC optimize("O3,no-stack-protector,fast-math,unroll-loops,tree-vectorize")
// MLE optimization
// #pragma GCC optimize("conserve-stack")
// Old judges
// #pragma GCC target("sse4.2,popcnt,lzcnt,abm,mmx,fma,bmi,bmi2")
// New judges. Test with assert(__builtin_cpu_supports("avx2"));
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
// Atcoder
// #pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma")
#include<bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_real_distribution<> pp(0.0,1.0);
#define ld long double
#define pii pair<int,int>
#define piii pair<int,pii>
#define fi first
#define se second
const int inf=1e9;
const int mod=998244353;
const int mod2=1e9+7;
const int maxn=100005;
const int maxq=500005;
const int maxl=20;
const int maxa=1000005;
int power(int a,int n){
    int res=1;
    while(n){
        if(n&1) res=res*a%mod;
        a=a*a%mod;n>>=1;
    }
    return res;
}
int n,dp[maxn],nw[maxn];
void solve(){
    cin >> n;
    for(int i=1;i<=100000;i++) dp[i]=-inf;
    dp[0]=0;
    int sum=0;
    for(int i=1;i<=n;i++){
        int a;cin >> a;
        for(int i=0;i<=sum+a;i++) nw[i]=dp[i];
        for(int i=0;i<=sum;i++){
            if(dp[i]==-inf) continue;
            nw[i+a]=max(nw[i+a],dp[i]+a);
            if(i>=a) nw[i-a]=max(nw[i-a],dp[i]);
            else nw[a-i]=max(nw[a-i],dp[i]-i+a);
        }
        sum+=a;
        for(int i=0;i<=sum;i++) dp[i]=nw[i];
    }
    cout << sum-dp[0] << '\n';
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test=1;//cin >> test;
    while(test--) solve();
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10