oj.uz

Submission #735507

# Submission time Handle Problem Language Result Execution time Memory
735507 2023-05-04T08:50:38 Z Cutebol Palembang Bridges (APIO15_bridge) C++17
0 / 100
 5 ms 452 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;
using namespace std;

void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define ordered_set tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
#define Ganyu ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0);
#define int long long
#define endl "\n"
#define ff first
#define ss second
  
const int N = 2e5 + 5 ;
const int inf = 1e9 ;
const int mod = 1e9 + 7 ;

int n , k , ans = inf ;
int b[N] , d[N] ;
char a[N] , c[N] ;

int ch ( int x ){
	int sum = 0 ;
	for ( int i = 0 ; i < n ; i ++ ) sum += ( a[i] != c[i] ) ? abs(b[i]-x)+abs(d[i]-x)+1 : abs(b[i]-d[i]) ;
	return sum ;
}

void solve(){
	
	cin >> k >> n ;
	set <int> t ;
	for ( int i = 0 ; i < n ; i ++ ) cin >> a[i] >> b[i] >> c[i] >> d[i] ;
	for ( int i = 0 ; i < n ; i ++ ) ans = min({ ch(b[i]) , ans , ch(d[i]) }) ;
	cout << ans ;
}
signed main(){
//	fopn("") ;
//	Ganyu ;
	int t = 1 ;
//	cin >> t ;
	while ( t -- ) solve() ;
	
}

Compilation message

bridge.cpp: In function 'void fopn(std::string)':
bridge.cpp:8:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp:8:72: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 340 KB Output is correct
4 Correct 5 ms 452 KB Output is correct
5 Incorrect 5 ms 324 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 5 ms 340 KB Output is correct
4 Correct 4 ms 340 KB Output is correct
5 Incorrect 4 ms 340 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 304 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -