Submission #593256

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
593256	2022-07-10 16:49:39	Bench0310	Mecho (IOI09_mecho)	C++17	100 / 100	374 ms	7184 KiB

mecho

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,one;
    cin >> n >> one;
    vector<string> s(n);
    array<int,2> bear;
    array<int,2> house;
    vector<array<int,2>> bees;
    for(int i=0;i<n;i++)
    {
        cin >> s[i];
        for(int j=0;j<n;j++)
        {
            if(s[i][j]=='M') bear={i,j};
            if(s[i][j]=='D') house={i,j};
            if(s[i][j]=='H') bees.push_back({i,j});
        }
    }
    auto in=[&](int r,int c)->bool{return (0<=r&&r<n&&0<=c&&c<n);};
    vector<array<int,2>> z={{1,0},{-1,0},{0,-1},{0,1}};
    int ltime=-1,rtime=n*n;
    while(ltime<rtime-1)
    {
 
 
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Compilation message (stderr)

mecho.cpp: In function 'int main()':
mecho.cpp:79:36: warning: 'house.std::array<int, 2>::_M_elems[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |         if(dbear[house[0]][house[1]]!=-1) ltime=m;
      |                                    ^
mecho.cpp:13:18: warning: 'bear.std::array<int, 2>::_M_elems[0]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |     array<int,2> bear;
      |                  ^~~~
mecho.cpp:79:26: warning: 'house.std::array<int, 2>::_M_elems[0]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |         if(dbear[house[0]][house[1]]!=-1) ltime=m;
      |                          ^
mecho.cpp:13:18: warning: 'bear.std::array<int, 2>::_M_elems[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   13 |     array<int,2> bear;
      |                  ^~~~

• Subtask 1: 100 / 100