Submission #776392

#	Time	Username	Problem	Language	Result	Execution time	Memory
776392		tolbi	Wombats (IOI13_wombats)	C++17	55 / 100	20059 ms	262144 KiB

wombats

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//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 = 1e18;

#include "wombats.h"

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

void calc(int las){
	priority_queue<pair<int,pair<int,int>>,vector<pair<int,pair<int,int>>>,greater<pair<int,pair<int,int>>>> pq;
	pq.push({0,{n-1,las}});
	while (pq.size()){
		int x = pq.top().second.first;
		int y = pq.top().second.second;
		int w = pq.top().first;
		pq.pop();
		if (dp[las][x][y]!=-1) continue;
		dp[las][x][y]=w;
		if (x>0 && dp[las][x-1][y]==-1){
			pq.push({w+v[x-1][y],{x-1,y}});
		}
		if (y>0 && dp[las][x][y-1]==-1){
			pq.push({w+h[x][y-1],{x,y-1}});
		}
		if (y<m-1 && dp[las][x][y+1]==-1){
			pq.push({w+h[x][y],{x,y+1}});
		}
	}
}
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;
	dp.resize(m,vector<vector<int>>(n,vector<int>(m,-1)));
}

void changeH(int P, int Q, int W){
	h[P][Q]=W;
	dp.clear();
	dp.resize(m,vector<vector<int>>(n,vector<int>(m,-1)));
}
void changeV(int P, int Q, int W) {
	v[P][Q]=W;
	dp.clear();
	dp.resize(m,vector<vector<int>>(n,vector<int>(m,-1)));
}
int escape(int V1, int V2) {
	if (dp[V2][0][V1]==-1) 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")
      | 
wombats.cpp:22:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   22 | const int INF = 1e18;
      |                 ^~~~

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