oj.uz

Submission #626507

# Submission time Handle Problem Language Result Execution time Memory
626507 2022-08-11T13:39:50 Z Sasha008 Catfish Farm (IOI22_fish) C++17
12 / 100
 96 ms 30712 KB 
#include<bits/stdc++.h>
//#include "prison.h"
#pragma GCC optimize ("O3")
using namespace std;
#define el "\n"
#define se " "
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pb push_back
const ll INF=1e18,ch=1e18;
ll a,b,c,d,n,COST,t,last,ab,ba,n1,n2,fl1,fl2,o1,o2,flag,flag1,flag2,g,m,m1,m2,i,j,lr,f,k,l,r,y,o,p,mx=-ch,mx1=-ch,mx2=-ch,q,q1,q2,q3,q4,mn=ch,mn1=ch,mn2=ch,f1,f2,f3,pos,ans,sum,sz=1,MOD=1e9+7,zero=0,a1,b1,c1,val,sum1,cur,res,ans1,res1,kk,kkk,cnt,cnt1,fl;
pair < ll , pair < ll , ll > > A[300005];
ll B[4][300005];
ll max_weights(int N, int M, vector<int> X, vector<int> Y, vector<int> W)
{
    n=N;k=M;
    for(i=1;i<=k;i++)
    {
        A[i].ff=X[i-1]+1;
        A[i].ss.ff=Y[i-1]+1;
        if (A[i].ss.ff==1) flag++;
        A[i].ss.ss=W[i-1];
        if (A[i].ff%2!=0) q1++;
        if (A[i].ff<=2) q2++;
    }
    if (q1==k)
    {
        for(i=1;i<=k;i++)
        {
            f+=A[i].ss.ss;
        }
        return f;
    }
    else if (q2==k)
    {
        for(i=1;i<=k;i++)
        {
            B[A[i].ff][A[i].ss.ff]=A[i].ss.ss;
        }
        for(i=1;i<=300001;i++)
        {
            f+=max(B[1][i],B[2][i]);
        }
        return f;
    }
    else if (flag==k)
    {
        ll dp[300005][3]={0};
        ll C[300005]={0};
        for(i=1;i<=k;i++)
        {
            C[A[i].ff]=A[i].ss.ss;
        }
        dp[1][0]=0;
        dp[1][1]=C[2];
        for(i=2;i<=n;i++)
        {
            dp[i][0]=max(dp[i-1][0],dp[i-1][1]);
            dp[i][1]=max({dp[i-1][1]-C[i],dp[i-2][1],dp[i-2][0]+C[i-1]})+C[i+1];
        }
        return max(dp[n][0],dp[n][1]);
    }
    else
    {
        pair < ll , ll > C[300005][3];
        for(i=1;i<=k;i++)
        {
            j=A[i].ff;
            if (C[j][1].ff==0) {C[j][1].ff=A[i].ss.ss;C[j][2].ff=A[i].ss.ff;}
            else {C[j][1].ss=A[i].ss.ss;C[j][2].ss=A[i].ss.ff;}
        }
        for(i=1;i<=n;i++)
        {
            a=C[i][2].ff;b=C[i][2].ss;
            if (a==0) continue;
            if (b==0)
            {
                f+=C[i][1].ff;
                continue;
            }
            if (a>b) swap(a,b);
            if (a-1!=b&&a+1!=b||a!=1&&b!=n)
            {
                f+=C[i][1].ff;
                f+=C[i][1].ss;
                continue;
            }
            else
            {
                f+=max(C[i][1].ff,C[i][1].ss);
            }
        }
        return f;
    }
}

//int main()
//{
//    ios_base::sync_with_stdio(0);
//    cin.tie(0);
//    cout.tie(0);
//    cin>>n>>a>>b;
//    vector < vector < int > > v=devise_strategy(a,b);
//}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:84:23: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   84 |             if (a-1!=b&&a+1!=b||a!=1&&b!=n)
      |                 ~~~~~~^~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 20436 KB Output is correct
2 Correct 33 ms 21324 KB Output is correct
3 Correct 6 ms 16724 KB Output is correct
4 Correct 7 ms 16724 KB Output is correct
5 Correct 96 ms 30712 KB Output is correct
6 Correct 91 ms 30696 KB Output is correct

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16724 KB Output is correct
2 Incorrect 54 ms 25756 KB 1st lines differ - on the 1st token, expected: '40604614618209', found: '56666856824716'
3 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16660 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 21 ms 19148 KB Output is correct
4 Correct 17 ms 18396 KB Output is correct
5 Correct 33 ms 21460 KB Output is correct
6 Correct 29 ms 21324 KB Output is correct
7 Correct 32 ms 21324 KB Output is correct
8 Correct 34 ms 21328 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16728 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Incorrect 8 ms 16724 KB 1st lines differ - on the 1st token, expected: '4044', found: '6066'
4 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16728 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Incorrect 8 ms 16724 KB 1st lines differ - on the 1st token, expected: '4044', found: '6066'
4 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 16728 KB Output is correct
2 Correct 8 ms 16724 KB Output is correct
3 Incorrect 8 ms 16724 KB 1st lines differ - on the 1st token, expected: '4044', found: '6066'
4 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 16660 KB Output is correct
2 Correct 9 ms 16724 KB Output is correct
3 Correct 21 ms 19148 KB Output is correct
4 Correct 17 ms 18396 KB Output is correct
5 Correct 33 ms 21460 KB Output is correct
6 Correct 29 ms 21324 KB Output is correct
7 Correct 32 ms 21324 KB Output is correct
8 Correct 34 ms 21328 KB Output is correct
9 Correct 33 ms 21460 KB Output is correct
10 Incorrect 35 ms 21440 KB 1st lines differ - on the 1st token, expected: '36454348383152', found: '33302362838090'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 20436 KB Output is correct
2 Correct 33 ms 21324 KB Output is correct
3 Correct 6 ms 16724 KB Output is correct
4 Correct 7 ms 16724 KB Output is correct
5 Correct 96 ms 30712 KB Output is correct
6 Correct 91 ms 30696 KB Output is correct
7 Correct 8 ms 16724 KB Output is correct
8 Incorrect 54 ms 25756 KB 1st lines differ - on the 1st token, expected: '40604614618209', found: '56666856824716'
9 Halted 0 ms 0 KB -