답안 #933929

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
933929 2024-02-26T15:11:33 Z De3b0o 바이러스 (JOI19_virus) C++14
6 / 100
2000 ms 10580 KB
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define in insert
#define er erase
#define pb push_back
#define ppb pop_back()
#define ph push
#define pp pop()
#define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define cans cout << ans << "\n";
#define yes cout << "YES" << "\n";
#define no cout << "NO" << "\n";
#define pll pair<ll,ll>
#define lin cout << "\n";
#define sqr 340
#define mod 1000000007
#define mid ((l+r)/2)
#define lc (2*n)
#define rc (2*n+1)
 
using namespace std;
 
ll fp(ll x , ll y)
{
    if(y==0)
        return 1;
    ll z = fp(x,y/2);
    if(y&1)
        return z*z*x;
    else
        return z*z;
}
 
int sqrot(ll x)
{
    int l = 0 , r = INT_MAX;
    while(l<=r)
    {
        if(mid*mid>=x)
            r=mid-1;
        else
            l=mid+1;
    }
    return r+1;
}
 
ll cel(ll x , ll y)
{
    return x/y + bool(x/y);
}
 
string tb(ll x)
{
    string s = "";
    while(x>0)
    {
        if(x&1)
            s+='1';
        else
            s+='0';
        x/=2;
    }
    while(s.size()<4)
        s+='0';
    return s;
}
 
ll fb(string s)
{
    ll x = 0;
    ll c = 1;
    for(int8_t i = 0 ; 60>i ; i++)
    {
        if(s[i]=='1')
            x+=c;
        c*=2;
    }
    return x;
}
 
int main()
{
    d3
    int m;
    int16_t r,c;
    string d;
    cin >> m >> r >> c;
    cin >> d;
    int a[r+1][c+1];
    int b[2][2][2][2];
    for(int16_t i = 1 ; r>=i ; i++)
        for(int16_t j = 1 ; c>=j ; j++)
        {
            cin >> a[i][j];
            if(a[i][j]==0)
                a[i][j]=1e5+1;
        }
    d+=d;
    for(int8_t i = 1 ; 16>=i ; i++)
    {
        string s = tb(i);
        bool l1 = 0 , l2 = 0 , l3 = 0 , l4 = 0;
        if(s[0]=='1')
            l1=1;
        if(s[1]=='1')
            l2=1;
        if(s[2]=='1')
            l3=1;
        if(s[3]=='1')
            l4=1;
        int lon = 0;
        int cur = 0;
        for(int j = 0 ; d.size()>j ; j++)
        {
            if((d[j]=='S'&&l1)||(d[j]=='N'&&l2)||(d[j]=='E'&&l3)||(d[j]=='W'&&l4))
            {
                cur++;
                continue;
            }
            lon=max(lon,cur);
            cur=0;
        }
        lon=max(lon,cur);
        if(lon==2*m)
            lon=1e5;
        b[l1][l2][l3][l4]=lon;
        //cout << l1 << " " << l2 << " " << l3 << " " << l4 << " " << b[l1][l2][l3][l4] << "\n";
    }
    int mn = 1e6;
    int ans = 0;
    pair<int,int> A[r*c];
    for(int i = 1 ; r>=i ; i++)
        for(int j = 1 ; c>=j ; j++)
            A[(i-1)*c+j-1]={i,j};
    bool infected[r+2][c+2];
    bool tak[r+1][c+1];
    memset(tak,0,sizeof(tak));
    for(int iiii = 0 ; r*c>iiii ; iiii++)
    {
        int16_t x = A[iiii].F;
        int16_t y = A[iiii].S;
        if(a[x][y]>1e5)
            continue;
        memset(infected,0,sizeof(infected));
        queue<pair<int16_t,int16_t>> q;
        q.push({x,y});
        bool ge = 0;
        int mn1 = 0;
        while(!q.empty())
        {
            pair<int16_t,int16_t> nod = q.front();
            q.pop();
            if(infected[nod.F][nod.S])
                continue;
            infected[nod.F][nod.S]=1;
            mn1++;
            if(mn1>mn)
                break;
            for(int8_t ii = 0 ; 4>ii ; ii++)
            {
                int16_t xx = nod.F , yy = nod.S;
                if(ii==1)
                    xx++;
                else if(ii==2)
                    xx--;
                else if(ii==3)
                    yy++;
                else
                    yy--;
                if(xx<1||xx>r||yy<1||yy>c||infected[xx][yy])
                    continue;
                bool l1 = 0 , l2 = 0 , l3 = 0 , l4 = 0;
                if(infected[xx+1][yy])
                    l1=1;
                if(infected[xx-1][yy])
                    l2=1;
                if(infected[xx][yy+1])
                    l3=1;
                if(infected[xx][yy-1])
                    l4=1;
                if(b[l1][l2][l3][l4]>=a[xx][yy])
                {
                    if(tak[xx][yy])
                    {
                        ge=1;
                        break;
                    }
                    q.push({xx,yy});
                }
            }
            if(ge)
                break;
        }
        tak[x][y]=1;
        if(ge)
            continue;
        if(mn1==mn)
            ans++;
        if(mn1<mn)
        {
            //cout << mn1 << " " << x << " " << y << "\n";
            ans=1;
            mn=mn1;
        }
    }
    cout << mn << "\n" << ans*mn;
}

Compilation message

virus.cpp: In function 'int main()':
virus.cpp:115:33: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  115 |         for(int j = 0 ; d.size()>j ; j++)
      |                         ~~~~~~~~^~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 600 KB Output is correct
2 Execution timed out 2067 ms 10580 KB Time limit exceeded
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 22 ms 860 KB Output is correct
4 Correct 4 ms 872 KB Output is correct
5 Correct 22 ms 860 KB Output is correct
6 Correct 22 ms 860 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 22 ms 860 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 860 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 22 ms 884 KB Output is correct
14 Correct 23 ms 860 KB Output is correct
15 Correct 22 ms 860 KB Output is correct
16 Correct 21 ms 900 KB Output is correct
17 Correct 12 ms 720 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 22 ms 856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 600 KB Output is correct
2 Execution timed out 2067 ms 10580 KB Time limit exceeded
3 Halted 0 ms 0 KB -