Submission #476292

#TimeUsernameProblemLanguageResultExecution timeMemory
476292Mackerel_PikePatkice (COCI20_patkice)C++14
50 / 50
1 ms332 KiB
#include <bits/stdc++.h> using namespace std; #define MP make_pair #define PB push_back #define fst first #define snd second const int dx[4] = {0, -1, 0, 1}; const int dy[4] = {-1, 0, 1, 0}; const char CH[5] = "WNES"; const int maxn = 105; int n, m; int dis[maxn][maxn]; char s[maxn][maxn]; vector<pair<int, char> > vec; int main(){ //freopen("patkice.in", "r", stdin); scanf("%d%d", &n, &m); for(int i = 0; i < n; ++i) scanf("%s", s[i]); for(int i = 0; i < n; ++i) for(int j = 0; j < m; ++j) if(s[i][j] == 'o'){ for(int k = 0; k < 4; ++k){ memset(dis, -1, sizeof(dis)); dis[i][j] = 0; int cur = 1, x, y; for(x = i + dx[k], y = j + dy[k]; x >= 0 && x < n && y >= 0 && y < m && !~dis[x][y] && s[x][y] != '.' && s[x][y] != 'x'; ++cur){ dis[x][y] = cur; if(s[x][y] == '<') --y; else if(s[x][y] == '>') ++y; else if(s[x][y] == '^') --x; else ++x; } if(s[x][y] == 'x') vec.PB(MP(cur, CH[k])); } } sort(vec.begin(), vec.end()); if(!vec.size()) puts(":("); else puts(":)"), putchar(vec[0].snd); return 0; }

Compilation message (stderr)

patkice.cpp: In function 'int main()':
patkice.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
patkice.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     scanf("%s", s[i]);
      |     ~~~~~^~~~~~~~~~~~
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