Submission #914893

#	Time	Username	Problem	Language	Result	Execution time	Memory
914893		vjudge1	Patkice (COCI20_patkice)	C++17	50 / 50	1 ms	600 KiB

patkice

#include <iostream>
#include <iomanip>
#include <string>
#include <math.h>
#include <algorithm>
#include <cstring>
#include <numeric>
#include <vector>
#include <bitset>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <unordered_map>
#include <unordered_set>
using namespace std;
typedef long long ll;
#define inf 1e10
#define sz(v) (ll)v.size()
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define dbg(x) cerr<<#x<<": "<<x<<"\n";
#define fr(i, x) for(ll i=0 ; i<x ; i++)
#define fra(x, v) for(auto x:v)
#define fra1(x,v) for(auto &x:v)
#define all(x) x.begin(), x.end()
#define allr(x) x.rbegin(), x.rend()
#define pb(x) push_back(x)
#define pll pair<ll, ll>
#define vll vector<ll>
#define mk(a, b) make_pair(a, b)
#define F first
#define S second

 
/*
 const long long maxN=0;
 que es eso??
 un maxN con 0
 que pront
 bueno muchachos a dormir
 */

const double PI=acos(-1);
const ll MOD=1e9+7;

ll binpow(ll a, ll b){
    ll cc=1;
    while(b){
        if(b&1) cc*=a;
        a*=a;
        b>>=1;
    }
    return cc;
}
ll binpow1(ll a, ll b, ll uwu){
    ll cc=1;
    while(b){
        if(b&1) cc=cc*a%uwu;
        a=a*a%uwu;
        b>>=1;
    }
    return cc%uwu;
}

ll log2uwu(ll n){
    fr(i, n+1){
        if((1<<i) > n) return i-1;
    }
    
    return -1;
}

bool comp(string a, string b){
    if(a.size()==b.size()){
        fr(i, a.size()){
            if(a[i]>b[i]) return 1;
            else if(a[i]<b[i]) return 0;
        }
        return 0;
    }else{
        return a.size()>b.size();
    }
}

ll isCousin(ll x){
    for(ll i=2 ; i*i <= x ; i++){
        if(!(x%i)) return i;
    }
    return 0;
}

ll webos(ll x){
    fr(i, x){
        if(i*i>x) return i-1;
    }
    return -1;
}

bool ok(ll mid, vll v, ll n, ll k){
    ll cc=1, sum=0;
    fra(x, v){
        if(x>mid) return false;
        sum+=x;
        if(sum>mid){
            sum=x;
            cc++;
        }
    }
    if(cc<=k) return true;
    else return false;
}

ll xdxd(ll x){
    fr(i, x+1){
        if(i==0) continue;
        //dbg(i*i*i);
        if(i*i*i == x) return i;
        else if(i*i*i > x) return -1;
    }
    return -1;
}

ll tilin(ll v, ll k, ll n){
    ll cc=v;
    for(ll i=1 ; i<n ; i++){
        ll pro=v/pow(k, i);
        if(pro>0)cc+=pro;
        if(cc>=n || pro<=0){
            return cc;
        }
    }
    return cc;
}

struct point{
    ll x, y, z;
};

const ll maxN=110;
char lab[maxN][maxN];
ll n, m, aux=0;

ll webos1(ll i, ll j, ll cc){
    if(i==-1 || j==-1 || i==n || j==m || lab[i][j]=='.' || lab[i][j]=='o') return -1;
    if(lab[i][j]=='>') return webos1(i, j+1, cc+1);
    if(lab[i][j]=='<') return webos1(i, j-1, cc+1);
    if(lab[i][j]=='^') return webos1(i-1, j, cc+1);
    if(lab[i][j]=='v') return webos1(i+1, j, cc+1);
    if(lab[i][j]=='x') return cc;
    return 0;
}


void solve(){
    cin>>n>>m;
    ll x=0, y=0;
    fr(i, n){
        fr(j, m){
            cin>>lab[i][j];
            if(lab[i][j]=='o'){
                x=i; y=j;
            }
        }
    }
    ll aux=webos1(x-1, y, 1);
    vector<pair<ll, char>>vp;
    if(aux>0){
        vp.pb(mk(aux, 'N'));
    }
    aux=webos1(x+1, y, 1);
    if(aux>0){
        vp.pb(mk(aux, 'S'));
    }
    aux=webos1(x, y-1, 1);
    if(aux>0){
        vp.pb(mk(aux, 'W'));
    }
    aux=webos1(x, y+1, 1);
    if(aux>0){
        vp.pb(mk(aux, 'E'));
    }
    if(vp.size()){
        sort(all(vp));
        cout<<":)\n"<<vp[0].S<<"\n";
    }else cout<<":(\n";
    
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    solve();
    return 0;
}

Compilation message (stderr)

patkice.cpp: In function 'bool comp(std::string, std::string)':
patkice.cpp:22:32: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 | #define fr(i, x) for(ll i=0 ; i<x ; i++)
......
   75 |         fr(i, a.size()){
      |            ~~~~~~~~~~~          
patkice.cpp:75:9: note: in expansion of macro 'fr'
   75 |         fr(i, a.size()){
      |         ^~

• Subtask 1: 30 / 30
• Subtask 2: 20 / 20