#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;
int mn = 1e8;
int ans = 0;
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 m , r , c;
string d;
int a[809][809];
int b[2][2][2][2];
bool tak[809][809];
bool infected[809][809];
int bfs(int i , int j)
{
queue<pair<int,int>> q;
q.push({i+1,j});
q.push({i-1,j});
q.push({i,j-1});
q.push({i,j+1});
memset(infected,0,sizeof(infected));
infected[i][j]=1;
bool ge = 0;
while(!q.empty())
{
auto x = q.front();
q.pop();
int i1 = x.F;
int j1 = x.S;
if(infected[i1][j1]||i1<1||j1<1||i1>r||j1>c||a[i1][j1]==0)
continue;
bool l1 = 0 , l2 = 0 , l3 = 0 , l4 = 0;
if(infected[i1+1][j1])
l1=1;
if(infected[i1-1][j1])
l2=1;
if(infected[i1][j1+1])
l3=1;
if(infected[i1][j1-1])
l4=1;
if(b[l1][l2][l3][l4]>=a[i1][j1])
{
if(tak[i1][j1])
{
ge=1;
break;
}
infected[i1][j1]=1;
q.push({i1+1,j1});
q.push({i1-1,j1});
q.push({i1,j1+1});
q.push({i1,j1-1});
}
}
if(ge)
return 1e8;
int an = 0;
for(int i2 = 1 ; r>=i2 ; i2++)
for(int j2 = 1 ; c>=j2 ; j2++)
if(infected[i2][j2])
an++;
return an;
}
int main()
{
d3
cin >> m >> r >> c;
cin >> d;
for(int i = 1 ; r>=i ; i++)
for(int j = 1 ; c>=j ; j++)
cin >> a[i][j];
while(d.size()<=200000)
d+=d;
for(int 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);
b[l1][l2][l3][l4]=lon;
//cout << l1 << " " << l2 << " " << l3 << " " << l4 << " " << b[l1][l2][l3][l4] << "\n";
}
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]={i,j};
random_shuffle(A,A+r*c);
for(int i = 0 ; r*c > i ; i++)
{
ll x = A[i].F;
ll y = A[i].S;
if(a[x][y]==0)
continue;
int we = bfs(x,y);
if(we==mn)
ans++;
else if(we<mn)
{
mn=we;
ans=1;
}
tak[x][y]=1;
}
cout << mn << "\n" << ans*mn;
}
Compilation message
virus.cpp: In function 'int main()':
virus.cpp:168:33: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
168 | for(int j = 0 ; d.size()>j ; j++)
| ~~~~~~~~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
3064 KB |
Output is correct |
| 2 |
Execution timed out |
2079 ms |
11036 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
3088 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
3064 KB |
Output is correct |
| 2 |
Execution timed out |
2079 ms |
11036 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
