Submission #1026151

#TimeUsernameProblemLanguageResultExecution timeMemory
1026151mnbvcxz123Nautilus (BOI19_nautilus)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define int long long #define F first #define S second #define all(x) x.begin(),x.end() #define pii pair<int,int> #define pb push_back #define sz(x) (int)(x.size()) #define chmin(x,y) x=min(x,y) #define chmax(x,y) x=max(x,y) #define vi vector<int> #define vp vector<pii> #define vvi vector<vi> #define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()) #define __lg(x) 63-__builtin_clzll(x) #define pow2(x) (1LL<<x) void __print(int x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else void setio(){} #define debug(x...) #endif void setIO(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); } struct line{ int a,b; int operator()(const int x)const{ return a*x+b; } }; bool check(line l1,line l2,line l3){ return (l3.b-l2.b)*(l1.a-l2.a)<=(l2.b-l1.b)*(l2.a-l3.a); } const int mxn=501*501; bitset<mxn>bs; signed main(){ ios::sync_with_stdio(0); cin.tie(0);cout.tie(0); int n,m,k; cin>>n>>m>>k; m+=2; for(int i=0;i<n;i++){ for(int j=0;j<m;j++){ if(j==0 or j==m-1)continue; char c; cin>>c; debug(c); if(c=='.'){ bs[i*m+j]=1; } } } bitset<mxn>org=bs; string s; cin>>s; debug(s); for(auto c:s){ if(c=='?')bs=((bs>>1)|(bs<<1)|(bs>>m)|(bs<<m))&org; else if(c=='W')bs=(bs>>1)&org; else if(c=='E')bs=(bs<<1)&org; else if(c=='S')bs=(bs<<m)&org; else bs=(bs>>m)&org; } cout<<bs.count()<<'\n'; }

Compilation message (stderr)

nautilus.cpp:38:6: error: #else without #if
   38 |     #else
      |      ^~~~
nautilus.cpp:40: warning: "debug" redefined
   40 |     #define debug(x...)
      | 
nautilus.cpp:37: note: this is the location of the previous definition
   37 |     #define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
      | 
nautilus.cpp:41:6: error: #endif without #if
   41 |     #endif
      |      ^~~~~
nautilus.cpp: In function 'void setIO(std::string)':
nautilus.cpp:43:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |         freopen((s + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nautilus.cpp:44:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |         freopen((s + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~