Submission #776410

#	Time	Username	Problem	Language	Result	Execution time	Memory
776410		tolbi	Wombats (IOI13_wombats)	C++17	55 / 100	20106 ms	211644 KiB

wombats

#pragma optimize("Bismillahirrahmanirrahim")
#pragma GCC optimize("O3,unroll-loops,Ofast")
#pragma GCC target("avx2")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
#define author tolbi
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
#define sortarr(x) sort(x.begin(), x.end())
#define sortrarr(x) sort(x.rbegin(), x.rend())
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define rev(x) reverse(x.begin(), x.end())
#define tol(bi) (1LL<<((int)(bi)))
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
const int MOD = 1e9+7;
const int INF = MOD;

#include "wombats.h"

int h[5000][200];
int v[5000][200];
int n,m;
int dp[100][5000][100];
vector<bool> res;

inline void calc(int las){
	dp[las][n-1][las]=0;
	res[las]=true;
	for (int i = las+1; i < m; i++){
		dp[las][n-1][i]=dp[las][n-1][i-1]+h[n-1][i-1];
	}
	for (int i = las-1; i >= 0; i--){
		dp[las][n-1][i]=dp[las][n-1][i+1]+h[n-1][i];
	}
	for (int i = n-2; i >= 0; i--){
		for (int j = 0; j < m; ++j)
		{
			dp[las][i][j]=dp[las][i+1][j]+v[i][j];
			if (j) dp[las][i][j]=min(dp[las][i][j],dp[las][i][j-1]+h[i][j-1]);
		}
		for (int j = m-2; j >= 0; j--){
			dp[las][i][j]=min(dp[las][i][j],dp[las][i][j+1]+h[i][j]);
		}
	}
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
	for (int i = 0; i < R; i++){
		for (int j = 0; j < C; j++){
			h[i][j]=H[i][j];
			v[i][j]=V[i][j];
		}
	}
	n=R,m=C;
	res.resize(m,false);
	fill(res.begin(), res.end(), false);
}

void changeH(int P, int Q, int W){
	h[P][Q]=W;
	fill(res.begin(), res.end(), false);
}
void changeV(int P, int Q, int W) {
	v[P][Q]=W;
	fill(res.begin(), res.end(), false);
}
int escape(int V1, int V2) {
	if (res[V2]==false) calc(V2);
	return dp[V2][0][V1];
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~
wombats.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      |

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24