Submission #717978

#	Time	Username	Problem	Language	Result	Execution time	Memory
717978		vinnipuh01	Soccer (JOI17_soccer)	C++17	35 / 100	60 ms	18944 KiB

soccer

#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
#define int long long
#define sqrt sqrtl

using namespace std;

const long long oo = 1000000000000000000;

long long sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

int h, w, a, b, c, n, x[ 100001 ], y[ 100001 ];
vector <pair<int, int> > v[ 100001 ];
set <pair<int, int> > st;
int d[ 100001 ];

int calc( int i, int j ) {
	int ans = abs( x[ i ] - x[ j ] ) + abs( y[ i ] - y[ j ] );
	ans = ans * c;
	ans = min( ans, abs( x[ i ] - x[ j] ) * c + a * abs( y[ i ] - y[ j ] ) + b );
	ans = min( ans, abs( y[ i ] - y[ j ] ) * c + a * abs( x[ i ] - x[ j ] ) + b );
	return ans;
}

main () {
	cin >> h >> w >> a >> b >> c >> n;
	for ( int i = 1;  i<= n; i ++ ) {
		cin >> x[ i ] >> y[ i ];
	}  
	if ( n == 2 ) {
		cout << calc( 1, 2 );
		return 0;
	}
	for ( int i = 1; i <= n; i ++ ) {
		for ( int j = i + 1; j <= n; j ++ ) {
			v[ i ].push_back( { j, calc( i, j ) } );
			v[ j ].push_back( { i, calc( i, j ) } );
		}
		d[ i ] = oo;
	}
	d[ 1 ] = 0;
	st.insert( { d[ 1 ], 1 } );
	while ( st.size() ) {
		int u = st.begin()->second;
		st.erase( st.begin() );
		for ( auto to : v[ u ] ) {
			if ( d[ to.first ] > d[ u ] + to.second ) {
				st.erase( { d[ to.first ], to.first } );
				d[ to.first ] = d[ u ] + to.second;
				st.insert( { d[ to.first ], to.first } );
			}
		}
	}
//	for ( int i = 1; i <= n; i ++ )
//		cout << i << " - " << d[ i ] << "\n";
	cout << d[ n ];
}

Compilation message (stderr)

soccer.cpp:60:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   60 | main () {
      | ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 0 / 65