Submission #914292

#	Time	Username	Problem	Language	Result	Execution time	Memory
914292		edogawa_something	Mixture (BOI20_mixture)	C++17	0 / 100	1 ms	348 KiB

Mixture

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define pb push_back
#define all(v) v.begin(),v.end()
#define pow poww
const ll M=1e5+10;
const ll inf=2e18;
const ll mod=1e9+7;
ll pow(ll x,ll y){
  ll res=1;
  x%=mod; 
  while(y>0){
    if((y&1))
    res*=x,res%=mod;
    x*=x,x%=mod;
    y=(y>>1);
  }
  return res;
}
ll n,chk[2][2],cc[M][2],cchk[3][3],t=1,aa=0;
int main(){
  ios_base::sync_with_stdio(0),cin.tie(0);
  ll TC=1;
  //cin>>TC;
  while(TC--){
    ll x,y,z;
    cin>>x>>y>>z;
    cin>>n;
    for(int i=0;i<n;i++){
      char c;
      cin>>c;
      if(c=='R'){
        ll ind;
        cin>>ind;
        if(cc[ind][0]>-1&&cc[ind][1]>-1)
        chk[cc[ind][0]][cc[ind][1]]--;
        if(cc[ind][0]==-1&&cc[ind][1]==0)
        cchk[0][1]--;
        else if(cc[ind][0]==-1&&cc[ind][1]==1)
        cchk[0][2]--;
        else if(cc[ind][1]==-1&&cc[ind][0]==0)
        cchk[1][0]--;
        else if(cc[ind][1]==-1&&cc[ind][0]==1)
        cchk[2][0]--;
        if(cc[ind][0]==cc[ind][1]&&cc[ind][0]==-1)
        aa--;
      }
      else{
        ll a,b,c;
        cin>>a>>b>>c;
        a*=x*y*z,b*=x*y*z,c*=x*y*z;
        a/=x,b/=y,c/=z;
        if(a>b)
        cc[t][0]=1;
        else if(a<b)
        cc[t][0]=0;
        else
        cc[t][0]=-1;
        if(a>c)
        cc[t][1]=1;
        else if(a<c)
        cc[t][1]=0;
        else
        cc[t][1]=-1;
        if(cc[t][0]>-1&&cc[t][1]>-1)
        chk[cc[t][0]][cc[t][1]]=1;
        if(x==y&&x>z)
        cchk[0][1]=1;
        else if(x==y&&x<z)
        cchk[0][2]=1;
        if(x==z&&x>y)
        cchk[0][1]=1;
        else if(x==z&&x<y)
        cchk[0][2]=1;
        t++;
        if(a==b&&b==c)
        aa++;
      }
      bool ans=0;
      for(int i=0;i<2;i++){
        for(int j=0;j<2;j++){
          if(chk[i][j]>0&&chk[1-i][1-j]>0)
          ans=1;
        }
      }
      for(int i=1;i<3;i++){
        if(cchk[0][i]&&cchk[0][3-i])
        ans=1;
        if(cchk[i][0]&&cchk[3-i][0])
        ans=1;
      }
      if(aa>0){
        cout<<1<<'\n';
      }
      else if(ans)
      cout<<2<<'\n';
      else
      cout<<0<<'\n';
    }
  }
  return 0;
}
/*

*/  

• Subtask 1: 0 / 13
• Subtask 2: 0 / 17
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40