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Submission #1097218

# Submission time Handle Problem Language Result Execution time Memory
1097218 2024-10-06T12:45:39 Z Dreamy_lovesper Cryptography (NOI20_crypto) C++17
35 / 100
 43 ms 31500 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{
                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)%Mod;
        };
    };
    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 Love2())->DreamyLove();
//    cout<<'\n';
    // (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:55:21: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |              freopen((name+".test").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:126:21: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
  126 |             cout<<(j*f[n-1]+1)%Mod;
      |                    ~^~~~~~~
Crypto.cpp:124:16: note: 'j' was declared here
  124 |             ll j;
      |                ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 9 ms 23900 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 9 ms 23900 KB Output is correct
3 Correct 10 ms 23964 KB Output is correct
4 Correct 9 ms 23936 KB Output is correct
5 Correct 9 ms 23900 KB Output is correct
6 Correct 10 ms 23816 KB Output is correct
7 Correct 10 ms 23936 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 13 ms 23896 KB Output is correct
12 Correct 9 ms 23896 KB Output is correct
13 Correct 10 ms 23952 KB Output is correct
14 Correct 9 ms 23900 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 9 ms 23964 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 9 ms 23812 KB Output is correct
22 Correct 9 ms 23712 KB Output is correct
23 Correct 12 ms 23736 KB Output is correct
24 Correct 10 ms 23940 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23872 KB Output is correct
2 Correct 33 ms 31316 KB Output is correct
3 Correct 33 ms 31400 KB Output is correct
4 Correct 32 ms 31500 KB Output is correct
5 Correct 32 ms 31316 KB Output is correct
6 Correct 32 ms 31312 KB Output is correct
7 Correct 33 ms 31316 KB Output is correct
8 Correct 32 ms 31316 KB Output is correct
9 Correct 32 ms 31416 KB Output is correct
10 Correct 37 ms 31312 KB Output is correct
11 Correct 40 ms 31396 KB Output is correct
12 Correct 43 ms 31384 KB Output is correct
13 Correct 36 ms 31312 KB Output is correct
14 Correct 43 ms 31316 KB Output is correct
15 Correct 39 ms 31316 KB Output is correct
16 Correct 38 ms 31328 KB Output is correct
17 Correct 37 ms 31316 KB Output is correct
18 Correct 36 ms 31320 KB Output is correct
19 Correct 37 ms 31312 KB Output is correct
20 Correct 38 ms 31420 KB Output is correct
21 Correct 35 ms 31316 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Correct 31 ms 30548 KB Output is correct
3 Correct 32 ms 30404 KB Output is correct
4 Correct 31 ms 30516 KB Output is correct
5 Correct 35 ms 30352 KB Output is correct
6 Correct 30 ms 30548 KB Output is correct
7 Correct 32 ms 30544 KB Output is correct
8 Correct 29 ms 30556 KB Output is correct
9 Correct 29 ms 30548 KB Output is correct
10 Correct 31 ms 30556 KB Output is correct
11 Correct 31 ms 30548 KB Output is correct
12 Correct 31 ms 30572 KB Output is correct
13 Correct 31 ms 30544 KB Output is correct
14 Correct 32 ms 30548 KB Output is correct
15 Correct 32 ms 30520 KB Output is correct
16 Correct 31 ms 30548 KB Output is correct
17 Correct 31 ms 30548 KB Output is correct
18 Correct 29 ms 30556 KB Output is correct
19 Correct 30 ms 30552 KB Output is correct
20 Correct 29 ms 30548 KB Output is correct
21 Correct 31 ms 30544 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23896 KB Output is correct
2 Incorrect 11 ms 23896 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 9 ms 23900 KB Output is correct
3 Correct 10 ms 23964 KB Output is correct
4 Correct 9 ms 23936 KB Output is correct
5 Correct 9 ms 23900 KB Output is correct
6 Correct 10 ms 23816 KB Output is correct
7 Correct 10 ms 23936 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 13 ms 23896 KB Output is correct
12 Correct 9 ms 23896 KB Output is correct
13 Correct 10 ms 23952 KB Output is correct
14 Correct 9 ms 23900 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 9 ms 23964 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 9 ms 23812 KB Output is correct
22 Correct 9 ms 23712 KB Output is correct
23 Correct 12 ms 23736 KB Output is correct
24 Correct 10 ms 23940 KB Output is correct
25 Correct 13 ms 23896 KB Output is correct
26 Incorrect 11 ms 23896 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 Correct 31 ms 30548 KB Output is correct
3 Correct 32 ms 30404 KB Output is correct
4 Correct 31 ms 30516 KB Output is correct
5 Correct 35 ms 30352 KB Output is correct
6 Correct 30 ms 30548 KB Output is correct
7 Correct 32 ms 30544 KB Output is correct
8 Correct 29 ms 30556 KB Output is correct
9 Correct 29 ms 30548 KB Output is correct
10 Correct 31 ms 30556 KB Output is correct
11 Correct 31 ms 30548 KB Output is correct
12 Correct 31 ms 30572 KB Output is correct
13 Correct 31 ms 30544 KB Output is correct
14 Correct 32 ms 30548 KB Output is correct
15 Correct 32 ms 30520 KB Output is correct
16 Correct 31 ms 30548 KB Output is correct
17 Correct 31 ms 30548 KB Output is correct
18 Correct 29 ms 30556 KB Output is correct
19 Correct 30 ms 30552 KB Output is correct
20 Correct 29 ms 30548 KB Output is correct
21 Correct 31 ms 30544 KB Output is correct
22 Correct 13 ms 23896 KB Output is correct
23 Incorrect 11 ms 23896 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 9 ms 23900 KB Output is correct
3 Correct 10 ms 23964 KB Output is correct
4 Correct 9 ms 23936 KB Output is correct
5 Correct 9 ms 23900 KB Output is correct
6 Correct 10 ms 23816 KB Output is correct
7 Correct 10 ms 23936 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23900 KB Output is correct
10 Correct 10 ms 23900 KB Output is correct
11 Correct 13 ms 23896 KB Output is correct
12 Correct 9 ms 23896 KB Output is correct
13 Correct 10 ms 23952 KB Output is correct
14 Correct 9 ms 23900 KB Output is correct
15 Correct 10 ms 23900 KB Output is correct
16 Correct 10 ms 23900 KB Output is correct
17 Correct 10 ms 23900 KB Output is correct
18 Correct 10 ms 23900 KB Output is correct
19 Correct 9 ms 23964 KB Output is correct
20 Correct 10 ms 23896 KB Output is correct
21 Correct 9 ms 23812 KB Output is correct
22 Correct 9 ms 23712 KB Output is correct
23 Correct 12 ms 23736 KB Output is correct
24 Correct 10 ms 23940 KB Output is correct
25 Correct 10 ms 23872 KB Output is correct
26 Correct 33 ms 31316 KB Output is correct
27 Correct 33 ms 31400 KB Output is correct
28 Correct 32 ms 31500 KB Output is correct
29 Correct 32 ms 31316 KB Output is correct
30 Correct 32 ms 31312 KB Output is correct
31 Correct 33 ms 31316 KB Output is correct
32 Correct 32 ms 31316 KB Output is correct
33 Correct 32 ms 31416 KB Output is correct
34 Correct 37 ms 31312 KB Output is correct
35 Correct 40 ms 31396 KB Output is correct
36 Correct 43 ms 31384 KB Output is correct
37 Correct 36 ms 31312 KB Output is correct
38 Correct 43 ms 31316 KB Output is correct
39 Correct 39 ms 31316 KB Output is correct
40 Correct 38 ms 31328 KB Output is correct
41 Correct 37 ms 31316 KB Output is correct
42 Correct 36 ms 31320 KB Output is correct
43 Correct 37 ms 31312 KB Output is correct
44 Correct 38 ms 31420 KB Output is correct
45 Correct 35 ms 31316 KB Output is correct
46 Correct 11 ms 23900 KB Output is correct
47 Correct 31 ms 30548 KB Output is correct
48 Correct 32 ms 30404 KB Output is correct
49 Correct 31 ms 30516 KB Output is correct
50 Correct 35 ms 30352 KB Output is correct
51 Correct 30 ms 30548 KB Output is correct
52 Correct 32 ms 30544 KB Output is correct
53 Correct 29 ms 30556 KB Output is correct
54 Correct 29 ms 30548 KB Output is correct
55 Correct 31 ms 30556 KB Output is correct
56 Correct 31 ms 30548 KB Output is correct
57 Correct 31 ms 30572 KB Output is correct
58 Correct 31 ms 30544 KB Output is correct
59 Correct 32 ms 30548 KB Output is correct
60 Correct 32 ms 30520 KB Output is correct
61 Correct 31 ms 30548 KB Output is correct
62 Correct 31 ms 30548 KB Output is correct
63 Correct 29 ms 30556 KB Output is correct
64 Correct 30 ms 30552 KB Output is correct
65 Correct 29 ms 30548 KB Output is correct
66 Correct 31 ms 30544 KB Output is correct
67 Correct 13 ms 23896 KB Output is correct
68 Incorrect 11 ms 23896 KB Output isn't correct
69 Halted 0 ms 0 KB -