oj.uz

Submission #1026152

# Submission time Handle Problem Language Result Execution time Memory
1026152 2024-07-17T16:03:11 Z mnbvcxz123 Nautilus (BOI19_nautilus) C++17
100 / 100
 154 ms 1108 KB 

    #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...);}
    #ifdef local
    void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
    #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(){
        setio();
        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

nautilus.cpp: In function 'void setIO(std::string)':
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 + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
nautilus.cpp:45:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |         freopen((s + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 3 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 3 ms 804 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 3 ms 604 KB Output is correct
15 Correct 3 ms 604 KB Output is correct
16 Correct 3 ms 800 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 3 ms 604 KB Output is correct
20 Correct 3 ms 604 KB Output is correct
21 Correct 3 ms 604 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 3 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 3 ms 804 KB Output is correct
13 Correct 3 ms 616 KB Output is correct
14 Correct 3 ms 604 KB Output is correct
15 Correct 3 ms 604 KB Output is correct
16 Correct 3 ms 800 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 3 ms 604 KB Output is correct
20 Correct 3 ms 604 KB Output is correct
21 Correct 3 ms 604 KB Output is correct
22 Correct 69 ms 860 KB Output is correct
23 Correct 70 ms 860 KB Output is correct
24 Correct 68 ms 860 KB Output is correct
25 Correct 85 ms 1028 KB Output is correct
26 Correct 75 ms 860 KB Output is correct
27 Correct 104 ms 860 KB Output is correct
28 Correct 107 ms 1036 KB Output is correct
29 Correct 107 ms 860 KB Output is correct
30 Correct 108 ms 1032 KB Output is correct
31 Correct 106 ms 860 KB Output is correct
32 Correct 146 ms 860 KB Output is correct
33 Correct 142 ms 860 KB Output is correct
34 Correct 149 ms 1108 KB Output is correct
35 Correct 154 ms 860 KB Output is correct
36 Correct 148 ms 1024 KB Output is correct