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Submission #914628

# Submission time Handle Problem Language Result Execution time Memory
914628 2024-01-22T12:28:42 Z bachhoangxuan 도장 모으기 (JOI14_stamps) C++17
100 / 100
 62 ms 71204 KB 
// 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 <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
- insert(x),erase(x)
- find_by_order(k): return iterator to the k-th smallest element
- order_of_key(x): the number of elements that are strictly smaller
*/

#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 int long long
#define ld long double
#define pii pair<int,int>
#define piii pair<int,pii>
#define mpp make_pair
#define fi first
#define se second
const int inf=1e18;
const int mod=998244353;
const int maxn=3005;
const int bl=650;
const int maxs=655;
const int maxm=200005;
const int maxq=1000005;
const int maxl=25;
const int maxa=1000000;
const int root=3;
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;
}
const int iroot=power(3,mod-2);
const int base=131;

int n,T,dp[maxn][maxn],U[maxn],V[maxn],D[maxn],E[maxn];

void solve(){
    cin >> n >> T;
    for(int i=1;i<=n;i++) cin >> U[i] >> V[i] >> D[i] >> E[i];
    for(int i=1;i<=n;i++) dp[0][i]=inf;
    for(int i=1;i<=n;i++){
        for(int j=0;j<=n;j++){
            dp[i][j]=inf;
            int val=U[i]+V[i];
            if(j) val=min(val,D[i]+E[i]);
            dp[i][j]=min(dp[i][j],dp[i-1][j]+2*T*j+val);
        }
        int Min=inf;
        for(int j=n;j>=0;j--){
            if(Min!=inf) dp[i][j]=min(dp[i][j],Min-j*(U[i]+E[i]));
            Min=min(Min,dp[i-1][j]+j*(U[i]+E[i])+2*T*j);
        }
        Min=inf;
        for(int j=0;j<=n;j++){
            if(Min!=inf) dp[i][j]=min(dp[i][j],Min+j*(D[i]+V[i]));
            Min=min(Min,dp[i-1][j]-j*(D[i]+V[i])+2*T*j);
        }
    }
    cout << dp[n][0]+(n+1)*T << '\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
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2516 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2548 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct

Subtask #2
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4696 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4600 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 70996 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 54 ms 70988 KB Output is correct
4 Correct 45 ms 64084 KB Output is correct
5 Correct 34 ms 56056 KB Output is correct
6 Correct 17 ms 37468 KB Output is correct
7 Correct 11 ms 29288 KB Output is correct
8 Correct 53 ms 70996 KB Output is correct
9 Correct 54 ms 70996 KB Output is correct
10 Correct 52 ms 71172 KB Output is correct
11 Correct 61 ms 71204 KB Output is correct
12 Correct 62 ms 71000 KB Output is correct
13 Correct 58 ms 71108 KB Output is correct
14 Correct 53 ms 70996 KB Output is correct
15 Correct 60 ms 71164 KB Output is correct
16 Correct 52 ms 70996 KB Output is correct
17 Correct 54 ms 70948 KB Output is correct