Submission #338243

#TimeUsernameProblemLanguageResultExecution timeMemory
338243souvenir_vaynePatkice (COCI20_patkice)C++14
30 / 50
1 ms364 KiB
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <chrono> #define pb push_back #define INF 0x3f3f3f3f #define LINF 0x3f3f3f3f3f3f3f3f #define int long long #define endl '\n' #define ll long long #define f first #define fin cin #define fout cout #define s second #define FAST cin.tie(0), cout.tie(0), ios::sync_with_stdio(0) #define debug(x) cout << "DEBUG " << x << endl #define debug2(x, y) cout << "DEBUG " << x << " " << y << endl #define debug3(x, y, z) cout << "DEBUG " << x << " " << y << " " << z<< endl #define debug4(x, y, z, o) cout << "DEBUG " << x << " " << y << " " << z<< " " << o << endl #define all(x) x.begin(), x.end() #define left vadia #define lb lower_bound #define right puta using namespace std; using namespace __gnu_pbds; void setIO(string s) { ios_base::sync_with_stdio(0); cin.tie(0); freopen((s+".in").c_str(),"r",stdin); freopen((s+".out").c_str( ),"w",stdout); } typedef pair<ll, ll> pii; typedef vector<vector<char>> mat; typedef pair<int, string> pis; const ll mod = 1e9+7; typedef vector<int> vi; typedef pair<int, pair<int, int>> piii; int x[] = {1, -1, 0, 0}; int y[] = {0, 0, 1, -1}; int32_t main() { int l, c; cin >> l >> c; char m[105][105]; int sx, sy; for(int i = 0; i < l; i++) for(int j = 0; j < c; j++) { cin >> m[i][j]; if(m[i][j] == 'o') sx = i, sy = j; } int ans = INT_MAX, dir = -1; for(int z = 0; z < 4; z++) { int i = sx + x[z], j = sy + y[z], now = 1; while(true) { if(m[i][j] == 'v') i++; else if(m[i][j] == '>') j++; else if(m[i][j] == '<') j--; else if(m[i][j] == '^') i--; else if(m[i][j] == '.' or m[i][j] == 'o' or i < 0 or j < 0 or i >= l or j >= c) break; else if(m[i][j] == 'x') { if(now < ans) { ans = now; dir = z; } break; } now++; } } if(dir == -1) cout << ":(" << endl; else { cout << ":)" << endl; if(dir == 0) cout << "S" << endl; if(dir == 1) cout << "N" << endl; if(dir == 2) cout << "E" << endl; if(dir == 3) cout << "W" << endl; } }

Compilation message (stderr)

patkice.cpp: In function 'void setIO(std::string)':
patkice.cpp:27:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   27 |   freopen((s+".in").c_str(),"r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
patkice.cpp:28:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   28 |   freopen((s+".out").c_str( ),"w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
patkice.cpp: In function 'int32_t main()':
patkice.cpp:56:28: warning: 'sy' may be used uninitialized in this function [-Wmaybe-uninitialized]
   56 |         int i = sx + x[z], j = sy + y[z], now = 1;
      |                            ^
patkice.cpp:56:13: warning: 'sx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   56 |         int i = sx + x[z], j = sy + y[z], now = 1;
      |             ^
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