oj.uz

Submission #709822

# Submission time Handle Problem Language Result Execution time Memory
709822 2023-03-14T14:38:32 Z myrcella Catfish Farm (IOI22_fish) C++17
14 / 100
 440 ms 299344 KB 
//by szh
#include<bits/stdc++.h>
#include "fish.h"

using namespace std;

#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}

const int maxn = 3010;
ll dp[maxn][maxn][2];
int y[maxn];
int w[maxn][maxn];
int xmax,ymax;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) {
	rep(i,0,M) {
		y[i] = Y[i];
		y[i]++;
		w[X[i]][y[i]]=W[i];
		xmax = max(X[i],xmax);
		ymax = max(y[i],ymax);
	}
	ll ans = 0;
	rep(i,0,N) rep(j,1,N+1) dp[i][j][0] = dp[i][j][1] = -1e18;
	dp[0][0][0] = dp[0][N][1] = 0;
	rep(i,1,N) {
		//increasing
		dp[i][0][0] = dp[i-1][0][0];
		rep(j,1,N+1) {
			dp[i][j][0] = max(dp[i-1][j][0],dp[i][j-1][0] + w[i-1][j]);
		}
		dp[i][N][1] = dp[i-1][N][1];
		for (int j = N-1;j>=0;j--) {
			dp[i][j][1] = max(dp[i-1][j][1],dp[i][j+1][1] + w[i][j+1]);
		}
		dp[i][0][0] = max(dp[i][0][0],dp[i-1][0][1]);
		ll tmp = 0;
		rep(j,1,N+1) tmp += w[i-1][j];
		if (i-2>=0) dp[i][N][1] = max(dp[i][N][1],dp[i-2][N][1]+tmp);
		dp[i][N][0] = dp[i][N][1] = max(dp[i][N][0],dp[i][N][1]);
		rep(j,0,N+1) {
			ans = max(ans,max(dp[i][j][0],dp[i][j][1]));
//			cout<<i<<" "<<j<<" "<<dp[i][j][0]<<" "<<dp[i][j][1];debug(w[i][1]);
		}
	}
  return ans;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 397 ms 293756 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 440 ms 299344 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 393 ms 287956 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 3 ms 4180 KB Output is correct
11 Correct 2 ms 1856 KB Output is correct
12 Correct 3 ms 4180 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 3 ms 4160 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 3 ms 4180 KB Output is correct
11 Correct 2 ms 1856 KB Output is correct
12 Correct 3 ms 4180 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 3 ms 4160 KB Output is correct
15 Correct 3 ms 4052 KB Output is correct
16 Correct 2 ms 852 KB Output is correct
17 Incorrect 15 ms 5824 KB 1st lines differ - on the 1st token, expected: '15950010139738', found: '16130398766174'
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 3 ms 4180 KB Output is correct
11 Correct 2 ms 1856 KB Output is correct
12 Correct 3 ms 4180 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 3 ms 4160 KB Output is correct
15 Correct 3 ms 4052 KB Output is correct
16 Correct 2 ms 852 KB Output is correct
17 Incorrect 15 ms 5824 KB 1st lines differ - on the 1st token, expected: '15950010139738', found: '16130398766174'
18 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 393 ms 287956 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 397 ms 293756 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -