Submission #465142

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
465142	2021-08-15 08:50:20	MohamedFaresNebili	Mecho (IOI09_mecho)	C++14	84 / 100	347 ms	42804 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
using ll  = long long;
using ld  = long double;
using db  = double;
using ii  = pair<int, int>;
using pl  = pair<ll, ll>;
using vi  = vector<int>;
using vl  = vector<ll>;
using vii = vector<ii>;
using vpl = vector<pl>;
#define mp make_pair
#define pb push_back
#define pp pop_back
#define ff first
#define ss second
#define lb lower_bound
#define ub upper_bound
#define sz(v) ((int)v.size())
#define all(x) (x).begin() , (x).end()
#define FAST ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
ld dist(ld x, ld y, ld a, ld b) { return sqrt((x-a)*(x-a) + (y-b)*(y-b)); }
ll gcd(ll a , ll b){ return b ? gcd(b , a % b) : a ;}
ll lcm(ll a , ll b){ return (a * b) / gcd(a , b);}
ll fact(ll n) { return n > 1?(n * fact(n-1)):1;}
void setIn(string s) { freopen(s.c_str(),"r",stdin); }
 
 
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Compilation message (stderr)

mecho.cpp: In function 'void solve()':
mecho.cpp:74:62: warning: statement has no effect [-Wunused-value]
   74 |             else if(grid[l][i]=='M') { sx=l; sy=i; grid[l][i]=='G'; }
      |                                                    ~~~~~~~~~~^~~~~
mecho.cpp: In function 'void setIn(std::string)':
mecho.cpp:30:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 | void setIn(string s) { freopen(s.c_str(),"r",stdin); }
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
mecho.cpp: In function 'void setOut(std::string)':
mecho.cpp:31:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | void setOut(string s) { freopen(s.c_str(),"w",stdout); }
      |                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 84 / 100