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Submission #1097175

# Submission time Handle Problem Language Result Execution time Memory
1097175 2024-10-06T11:28:21 Z Dreamy_lovesper Cryptography (NOI20_crypto) C++17
24 / 100
 41 ms 31624 KB 
#include<bits/stdc++.h>

using namespace std;
namespace std {
    // #include<Love>
    using ll=long long;
    using str=string;
    using int128=__int128_t;
    using ld=long double;

    typedef unsigned int ui;
    typedef unsigned long long ull;

    #define Love<3 HerLoveForMeJustaDream
}

#define Lovesper_ ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pll pair<ll,ll>
#define mll map<ll,ll>
#define vll vector<ll>
#define pb push_back
#define all(c) c.begin(),c.end()
#define fi first
#define se second
#define debug cout<<"I Love You\n";
#define fu(i,a,b) for(ll i=a;i<=b;i++)
#define fd(i,a,b) for(int i=a;i>=b;i--)
#define fa(i,s) for(auto&i:s)
#define Bitc(x,i) (((x)>>(i))&1)
#define _log(_x) 63-__builtin_clzll(_x)
#define LoveTime chrono::steady_clock::now().time_since_epoch().count()

const pll dxy4[]={{-1,0},{0,-1},{0,1},{1,0}};
const pll dxy8[]={{-1,-1},{-1,0},{-1,1},{0,-1},{0,1},{1,-1},{1,0},{1,1}};
constexpr  ll Mod=1e9+7;
constexpr  ll mxn=1e6+7,mxm=3e3+7;
constexpr long long inf=(1ll<<31);
constexpr ll lnf=(1ll<<60);

struct __TS {
    ~__TS() {
        // cerr<<"Time elapsed: "<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
    }
}__ts;

mt19937 rng(LoveTime);

#define setup ((1<<3)-1>>1)
void OpenLove(const str&name){

    // I'm So Lonely. I am Trying To Get Out This Lonely With Her Love

    Lovesper_
    if(fopen((name+".inp").c_str(),"r")){
            // freopen((name+".test").c_str(),"r",stdin);
        freopen((name+".inp").c_str(),"r",stdin);
        freopen((name+".out").c_str(),"w",stdout);
    }
}
template<class X,class Y>bool maximize(X&x,const Y&y){X eps=1e-18;if(x+eps<y){x=y;return 1;}return 0;}
template<class X,class Y>bool minimize(X&x,const Y&y){X eps=1e-18;if(x>y+eps){x=y;return 1;}return 0;}

ostream&operator<<( std::ostream& dest, __int128_t value){
    ostream::sentry s(dest);__uint128_t tmp=value<0?-value:value;
    char buffer[128];char*d=end(buffer);
    do{d--;*d="0123456789"[tmp%10];tmp/=10;}while(tmp);
    if(value<0)d--,*d='-';ll len=end(buffer)-d;
    if(dest.rdbuf()->sputn(d,len)!=len)dest.setstate(ios_base::badbit);
    return dest;
}

struct custom_hash{
    size_t operator()(uint64_t x)const{
        static const uint64_t HashRand=LoveTime;
        x^=HashRand;return x^(x>>16);
}};

int64_t add(ll&a,ll b){a+=b;if(a>=Mod)a%=Mod;while(a<0)a+=Mod;return a;}
int64_t mul(ll&a,ll b,ll mod){a=1ll*a*b%mod;return a;}
int64_t mpow(ll a,ll b,ll mod){ll ans=1;for(;b;b>>=1,a=mul(a,a,mod))if(b&1)ans=mul(ans,a,mod);return ans;}

ll n,m,f[mxn],g[mxn];
vll graph[mxn];
void Lovesper(const ll&TestCase){
    cin>>n;
    ll LoveSub3_1=1,LoveSub3_2=1;
    fu(i,1,n){
        ll x;cin>>x;g[i]=x;
        LoveSub3_1&=(g[i]>g[i-1]);
    }
    f[0]=1;
    fu(i,1,n+7)f[i]=(f[i-1]*i)%Mod;
    fd(i,n-1,1)LoveSub3_2&=(g[i]>g[i+1]);
    struct Love1{
        function<void()>DreamyLove=[&](){
            if(g[1]<=g[2])return void(cout<<1);
            cout<<2;
        };
    };
    struct Love2{
        function<void()>DreamyLove=[&](){
            vll c;
            fu(i,1,n)c.pb(g[i]);
            sort(all(c));
            ll j=0;
            do{
                // fu(i,1,n)cout<<c[i-1]<<' ';
                cout<<'\n';
                auto chk=[&](){
                    fu(i,1,n)if(c[i-1]!=g[i])return 0;
                    return 1;
                };
                j++;
                if(chk())return void(cout<<j);
            }while(next_permutation(all(c)));
        };
    };
    struct Love3{
        function<void(ll)>DreamyLove=[&](ll a){
            if(a)return void(cout<<1);
            cout<<f[n];
        };
    };
    struct Love4{
        function<void()>DreamyLove=[&](){
            ll j;
            fu(i,3,n)if(g[i]!=g[i-1]+1){j=i-2;break;}
            cout<<j*f[n-1]+1<<'\n';
        };
    };
    if(n==2)(new Love1())->DreamyLove();
    else if(n<=8)(new Love2())->DreamyLove();
    else if(LoveSub3_1||LoveSub3_2)(new Love3())->DreamyLove(LoveSub3_1);
    else (new Love4())->DreamyLove();
    // (new Love4())->DreamyLove();
}
signed main(int argc, char const *argv[]){
    OpenLove("lovesper");
    int tt=1;
    // cin>>tt;
    for(ll i=1;i<=tt;i++){
        Lovesper(i);
        if(i<tt)cout<<'\n';
    }
    return false;
}

Compilation message

Crypto.cpp:14:13: warning: ISO C++11 requires whitespace after the macro name
   14 |     #define Love<3 HerLoveForMeJustaDream
      |             ^~~~
Crypto.cpp: In function 'std::ostream& operator<<(std::ostream&, __int128)':
Crypto.cpp:67:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   67 |     if(value<0)d--,*d='-';ll len=end(buffer)-d;
      |     ^~
Crypto.cpp:67:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   67 |     if(value<0)d--,*d='-';ll len=end(buffer)-d;
      |                           ^~
Crypto.cpp: In function 'void OpenLove(const str&)':
Crypto.cpp:56:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |         freopen((name+".inp").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Crypto.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |         freopen((name+".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Crypto.cpp: In static member function 'static _Res std::_Function_handler<_Res(_ArgTypes ...), _Functor>::_M_invoke(const std::_Any_data&, _ArgTypes&& ...) [with _Res = void; _Functor = Lovesper(const ll&)::Love4::<lambda()>; _ArgTypes = {}]':
Crypto.cpp:128:20: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
  128 |             cout<<j*f[n-1]+1<<'\n';
      |                   ~^~~~~~~
Crypto.cpp:126:16: note: 'j' was declared here
  126 |             ll j;
      |                ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Correct 10 ms 23956 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Correct 10 ms 23956 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 11 ms 23856 KB Output is correct
5 Correct 11 ms 23900 KB Output is correct
6 Correct 12 ms 24000 KB Output is correct
7 Correct 10 ms 23720 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 11 ms 23896 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 11 ms 23996 KB Output is correct
13 Correct 10 ms 23896 KB Output is correct
14 Correct 10 ms 24152 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 12 ms 23896 KB Output is correct
17 Correct 11 ms 23900 KB Output is correct
18 Correct 11 ms 23900 KB Output is correct
19 Correct 11 ms 23900 KB Output is correct
20 Correct 12 ms 23964 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 10 ms 23848 KB Output is correct
24 Correct 11 ms 23900 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23896 KB Output is correct
2 Correct 41 ms 31320 KB Output is correct
3 Correct 34 ms 31316 KB Output is correct
4 Correct 33 ms 31312 KB Output is correct
5 Correct 39 ms 31316 KB Output is correct
6 Correct 34 ms 31312 KB Output is correct
7 Correct 34 ms 31316 KB Output is correct
8 Correct 35 ms 31432 KB Output is correct
9 Correct 35 ms 31296 KB Output is correct
10 Correct 33 ms 31316 KB Output is correct
11 Correct 34 ms 31316 KB Output is correct
12 Correct 37 ms 31528 KB Output is correct
13 Correct 34 ms 31312 KB Output is correct
14 Correct 33 ms 31316 KB Output is correct
15 Correct 33 ms 31624 KB Output is correct
16 Correct 36 ms 31312 KB Output is correct
17 Correct 35 ms 31316 KB Output is correct
18 Correct 38 ms 31316 KB Output is correct
19 Correct 35 ms 31324 KB Output is correct
20 Correct 34 ms 31316 KB Output is correct
21 Correct 36 ms 31392 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Incorrect 32 ms 30548 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23900 KB Output is correct
2 Incorrect 11 ms 23868 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Correct 10 ms 23956 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 11 ms 23856 KB Output is correct
5 Correct 11 ms 23900 KB Output is correct
6 Correct 12 ms 24000 KB Output is correct
7 Correct 10 ms 23720 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 11 ms 23896 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 11 ms 23996 KB Output is correct
13 Correct 10 ms 23896 KB Output is correct
14 Correct 10 ms 24152 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 12 ms 23896 KB Output is correct
17 Correct 11 ms 23900 KB Output is correct
18 Correct 11 ms 23900 KB Output is correct
19 Correct 11 ms 23900 KB Output is correct
20 Correct 12 ms 23964 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 10 ms 23848 KB Output is correct
24 Correct 11 ms 23900 KB Output is correct
25 Correct 12 ms 23900 KB Output is correct
26 Incorrect 11 ms 23868 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Incorrect 32 ms 30548 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Correct 10 ms 23956 KB Output is correct
3 Correct 10 ms 23900 KB Output is correct
4 Correct 11 ms 23856 KB Output is correct
5 Correct 11 ms 23900 KB Output is correct
6 Correct 12 ms 24000 KB Output is correct
7 Correct 10 ms 23720 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 11 ms 23896 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 10 ms 23900 KB Output is correct
12 Correct 11 ms 23996 KB Output is correct
13 Correct 10 ms 23896 KB Output is correct
14 Correct 10 ms 24152 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 12 ms 23896 KB Output is correct
17 Correct 11 ms 23900 KB Output is correct
18 Correct 11 ms 23900 KB Output is correct
19 Correct 11 ms 23900 KB Output is correct
20 Correct 12 ms 23964 KB Output is correct
21 Correct 11 ms 23900 KB Output is correct
22 Correct 10 ms 23900 KB Output is correct
23 Correct 10 ms 23848 KB Output is correct
24 Correct 11 ms 23900 KB Output is correct
25 Correct 10 ms 23896 KB Output is correct
26 Correct 41 ms 31320 KB Output is correct
27 Correct 34 ms 31316 KB Output is correct
28 Correct 33 ms 31312 KB Output is correct
29 Correct 39 ms 31316 KB Output is correct
30 Correct 34 ms 31312 KB Output is correct
31 Correct 34 ms 31316 KB Output is correct
32 Correct 35 ms 31432 KB Output is correct
33 Correct 35 ms 31296 KB Output is correct
34 Correct 33 ms 31316 KB Output is correct
35 Correct 34 ms 31316 KB Output is correct
36 Correct 37 ms 31528 KB Output is correct
37 Correct 34 ms 31312 KB Output is correct
38 Correct 33 ms 31316 KB Output is correct
39 Correct 33 ms 31624 KB Output is correct
40 Correct 36 ms 31312 KB Output is correct
41 Correct 35 ms 31316 KB Output is correct
42 Correct 38 ms 31316 KB Output is correct
43 Correct 35 ms 31324 KB Output is correct
44 Correct 34 ms 31316 KB Output is correct
45 Correct 36 ms 31392 KB Output is correct
46 Correct 11 ms 23900 KB Output is correct
47 Incorrect 32 ms 30548 KB Output isn't correct
48 Halted 0 ms 0 KB -