Submission #1014556

#	Time	Username	Problem	Language	Result	Execution time	Memory
1014556		ReLice	Virus Experiment (JOI19_virus)	C++17	0 / 100	38 ms	20516 KiB

virus

#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define vll vector<ll>
#define bc back()
#define arr array
#define pll vector<pair<ll,ll>>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
template<class S,class T>
bool chmin(S &a,const T &b) {
	return a>b?(a=b)==b:false;
}
template<class S,class T>
bool chmax(S &a,const T &b) {
	return a<b?(a=b)==b:false;
}
//void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=1e18;
const ll mod=1e9+7;
const ll N=1e3+7;
const ld eps=1e-9;

ll a[N][N];
ll w[N][N],e[N][N];
void solve(){
    ll i,j,k;
    ll n,r,c;
    cin>>n>>r>>c;
    deque<char> dq(n);
    map<char,ll> mp;
    ll cc=0;
    for(i=0;i<n;i++){
        cin>>dq[i];
        if(mp[dq[i]]==0)cc++;
        mp[dq[i]]++;
    }
    for(i=1;i<=r;i++){
        for(j=1;j<=c;j++){
            cin>>a[i][j];
        }
    }
    ll ans=0;
    if(cc==1){
        for(i=1;i<=r;i++){
            for(j=1;j<=c;j++){
                if(dq[0]=='W' && a[i][j-1]==0)ans++;
                if(dq[0]=='E' && a[i][j+1]==0)ans++;
            }
        }
        cout<<1<<endl;
        cout<<ans<<endl;
        return;
    }
    while(dq[0]==dq.bc){
        dq.pb(dq[0]);
        dq.pof;
    }
    ll cnt=0;
    ll W=0,E=0;
    for(i=0;i<n;i++){
        if(i==0 || dq[i]!=dq[i-1]){
            cnt=0;
        }cnt++;
        if(dq[i]=='W')chmax(W,cnt);
        if(dq[i]=='E')chmax(E,cnt);
    }
    ll mn=inf;
    map<ll,ll> mp2;/*
    for(auto i : dq) cout<<i;cout<<endl;
    cout<<W<<' '<<E<<endl;*/
    for(i=1;i<=r;i++){
        ll cnt=0;
        for(j=1;j<=c;j++){
            if(a[i][j]==0 || a[i][j]>W) cnt=0;
            else cnt++;
            w[i][j]=cnt;
        }
        cnt=0;
        for(j=c;j>0;j--){
            if(a[i][j]==0 || a[i][j]>E) cnt=0;
            else cnt++;
            e[i][j]=cnt;
        }
        for(j=1;j<=c;j++){
            if(a[i][j]==0) continue;
            chmin(mn,e[i][j+1]+w[i][j-1]+1);
            mp2[e[i][j+1]+w[i][j-1]+1]++;
        }
    }/*cout<<endl;
    for(i=1;i<=r;i++){
        for(j=1;j<=c;j++)cout<<w[i][j]<<' ';cout<<endl;
    }cout<<endl;
    for(i=1;i<=r;i++){
        for(j=1;j<=c;j++)cout<<e[i][j]<<' ';cout<<endl;
    }cout<<endl;*/
    cout<<mn<<endl;
    cout<<mp2[mn]<<endl;
}
signed main(){
    start();
    ll t=1;
    //cin>>t;
    while(t--) solve();
    return 0;
}
/*
a<b<c<d
a a
b b

a a
a a



*/

Compilation message (stderr)

virus.cpp: In function 'void solve()':
virus.cpp:49:12: warning: unused variable 'k' [-Wunused-variable]
   49 |     ll i,j,k;
      |            ^

• Subtask 1: 0 / 14
• Subtask 2: 0 / 6
• Subtask 3: 0 / 80