Submission #544484

#	Time	Username	Problem	Language	Result	Execution time	Memory
544484		armashka	JJOOII 2 (JOI20_ho_t2)	C++17	0 / 100	1 ms	212 KiB

ho_t2

#include "bits/stdc++.h"
using namespace std;

#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")


typedef long long               ll;
typedef long double             ld;
#define pb                      push_back
#define ff                      first
#define ss                      second
#define lowb                    lower_bound
#define upb                     upper_bound
#define sz(x)                   (ll)x.size()
#define all(v)                  (v).begin(), (v).end()
pair<ll, ll> dx[] = {{-1, 0}, {1, 0}, {0, 1}, {0, -1}};

void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
void ioSync() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
void pre(ll a) { cout<<fixed<<setprecision(a); }
ll bit(ll x) { return __builtin_popcountll(x); }
ll binpow(ll a, ll n, ll c) { if(n==0) return 1; if(n%2==1) return binpow(a, n-1, c)*a%c; else { ll b = binpow(a, n/2, c)%c; return b*b%c; } }
template<typename T> T gcd(T a, T b) { if(b==0) return a; return gcd(b, a%b); }
template<typename T> T lcm(T a, T b) { return a*b/gcd(a, b); }
     
const ll mod = 1e9+7;         
const ll inf = 1e9+7;         
const ll INF = 1e18+7;        
const ll MX = LLONG_MAX;    //.
const ll MN = LLONG_MIN;    //.
const ld P = acos(-1.0);
const ll N = 1e5+5;    
// char a[3005][3005];

void precalc()
{
    
    return;
}
// Respa Gold 


void kigash()
{
    ll n, m;
    cin>>n>>m;
    string s[n+1];
    for(ll i=1; i<=n; i++)
    {
        cin>>s[i];
        s[i] = ' '+s[i];
    }
    ll ans = 0;
    for(ll i=1; i<=n; i++)
    {
        for(ll k=i+1; k<=n; k++)
        {
            for(ll j=1; j<=m; j++)
            {
                for(ll l=j+1; l<=m; l++)
                {
                    if(s[i][j]=='J' && s[i][l]=='O' && s[k][j]=='I') ans++;
                }
            }
        }
    }
    cout<<ans<<"\n";
    return;
}

signed main()
{
    // freopen("");
    ioSync();
    precalc();
    
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++)
    {
        // cout<<"Case "<<i<<": "<<'\n';
        kigash();
    }
    
    exit(0);
}

Compilation message (stderr)

ho_t2.cpp:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize ("g",on)
      | 
ho_t2.cpp:10: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   10 | #pragma comment(linker, "/stack:200000000")
      | 
ho_t2.cpp: In function 'void freopen(std::string)':
ho_t2.cpp:24:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 | void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t2.cpp:24:75: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 | void freopen(string s) { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); }
      |                                                                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 12
• Subtask 3: 0 / 87