Submission #912778

# Submission time Handle Problem Language Result Execution time Memory
912778 2024-01-19T22:09:11 Z biank Catfish Farm (IOI22_fish) C++17
18 / 100
77 ms 10188 KB
#include <bits/stdc++.h>
//#include "fish.h"

using namespace std;

#define ALL(x) x.begin(),x.end()
#define SIZE(x) (int)x.size()
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define forn(i,n) for(int i=0;i<int(n);i++)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)

#define fst first
#define snd second
#define pb push_back

typedef pair<int,int> ii;
typedef vector<ii> vii;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;

const ll INF = 1e18;

ll subtask1(vi &w) {
    ll ans=0;
    forn(i,SIZE(w)) ans+=w[i];
    return ans;
}

ll subtask2(int n, vi &x, vi &y, vi &w) {
    if(n==1) return 0;
    if(n==2) {
        ll sum[2]={0,0};
        forn(i,SIZE(w)) sum[x[i]]+=w[i];
        return max(sum[0],sum[1]);
    }
    vll val[2];
    forn(i,2) val[i]=vll(n+1,0);
    forn(i,SIZE(w)) val[x[i]][y[i]+1]+=w[i];
    forn(i,n) val[0][i+1]+=val[0][i], val[1][i+1]+=val[1][i];
    ll ans=0;
    forn(i,n+1) ans=max(ans,val[0][i]+val[1][n]-val[1][i]);
    return ans;
}

ll subtask3(int n, vi &x, vi &w) {
    int m=SIZE(w);
    vi val(n+1,0);
    forn(i,m) val[x[i]+1]+=w[i];
    vll dp1(n+2), dp2(n+2);
    dp2[0]=dp2[1]=-INF;
    forn(i,n) {
        dp1[i+2]=max(dp1[i+1],dp2[i+1]+val[i+1]);
        dp2[i+2]=max(dp2[i+1],max(dp1[i],dp2[i])+val[i]);
    }
    return max(dp1[n+1], dp2[n+1]);
}

ll max_weights(int n, int m, vi x, vi y, vi w) {
	bool s1=true;
    forn(i,m) s1&=(x[i]&1)==0;
	if(s1) return subtask1(w);
	
	bool s2=true;
    forn(i,m) s2&=x[i]==0||x[i]==1;
	if(s2) return subtask2(n,x,y,w);
	
	bool s3=true;
    forn(i,m) s3&=y[i]==0;
	if(s3) return subtask3(n,x,w);
    
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 18 ms 2136 KB Output is correct
2 Correct 22 ms 2652 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 72 ms 7288 KB Output is correct
6 Correct 77 ms 7248 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 38 ms 5424 KB Output is correct
3 Correct 47 ms 10188 KB Output is correct
4 Correct 18 ms 3672 KB Output is correct
5 Correct 23 ms 4444 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 20 ms 4956 KB Output is correct
13 Correct 24 ms 6092 KB Output is correct
14 Correct 20 ms 4944 KB Output is correct
15 Correct 22 ms 5912 KB Output is correct
16 Correct 21 ms 5060 KB Output is correct
17 Correct 24 ms 5580 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 17 ms 3416 KB Output is correct
4 Correct 10 ms 3164 KB Output is correct
5 Correct 24 ms 4692 KB Output is correct
6 Correct 21 ms 4700 KB Output is correct
7 Correct 23 ms 4700 KB Output is correct
8 Correct 23 ms 4688 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 17 ms 3416 KB Output is correct
4 Correct 10 ms 3164 KB Output is correct
5 Correct 24 ms 4692 KB Output is correct
6 Correct 21 ms 4700 KB Output is correct
7 Correct 23 ms 4700 KB Output is correct
8 Correct 23 ms 4688 KB Output is correct
9 Incorrect 20 ms 2632 KB 1st lines differ - on the 1st token, expected: '99999', found: '0'
10 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 18 ms 2136 KB Output is correct
2 Correct 22 ms 2652 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 72 ms 7288 KB Output is correct
6 Correct 77 ms 7248 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 38 ms 5424 KB Output is correct
9 Correct 47 ms 10188 KB Output is correct
10 Correct 18 ms 3672 KB Output is correct
11 Correct 23 ms 4444 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 20 ms 4956 KB Output is correct
19 Correct 24 ms 6092 KB Output is correct
20 Correct 20 ms 4944 KB Output is correct
21 Correct 22 ms 5912 KB Output is correct
22 Correct 21 ms 5060 KB Output is correct
23 Correct 24 ms 5580 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 2 ms 2396 KB Output is correct
26 Correct 17 ms 3416 KB Output is correct
27 Correct 10 ms 3164 KB Output is correct
28 Correct 24 ms 4692 KB Output is correct
29 Correct 21 ms 4700 KB Output is correct
30 Correct 23 ms 4700 KB Output is correct
31 Correct 23 ms 4688 KB Output is correct
32 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
33 Halted 0 ms 0 KB -