Submission #1170679

#TimeUsernameProblemLanguageResultExecution timeMemory
1170679laureHamburg Steak (JOI20_hamburg)C++20
2 / 100
42 ms328 KiB
#include<bits/stdc++.h> using namespace std; struct c { int l,r,d,u; }; signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,k,num=1; cin>>n>>k; map<int,c>m; c x; cin>>x.l>>x.d>>x.r>>x.u; m[1]=x; for(int i=1;i<n;i++) { cin>>x.l>>x.d>>x.r>>x.u; bool b=0; for(int j=1;j<=num;j++) { if(x.l<=m[j].l&&x.r>=m[j].r) { if(x.d<=m[j].d&&x.u>=m[j].u){b=1;break;} if(x.d>=m[j].d&&x.d<=m[j].u){m[j].d=x.d;b=1;} if(x.u>=m[j].d&&x.u<=m[j].u){m[j].u=x.u;b=1;} } if(x.l>=m[j].l&&x.l<=m[j].r) { if(x.d<=m[j].d&&x.u>=m[j].u){m[j].l=x.l;b=1;break;} if(x.d>=m[j].d&&x.d<=m[j].u){m[j].l=x.l;m[j].d=x.d;b=1;} if(x.u>=m[j].d&&x.u<=m[j].u){m[j].l=x.l;m[j].u=x.u;b=1;} } if(x.r>=m[j].l&&x.r<=m[j].r) { if(x.d<=m[j].d&&x.u>=m[j].u){m[j].r=x.r;b=1;break;} if(x.d>=m[j].d&&x.d<=m[j].u){m[j].r=x.r;m[j].d=x.d;b=1;} if(x.u>=m[j].d&&x.u<=m[j].u){m[j].r=x.r;m[j].u=x.u;b=1;} } if(b)break; } if(!b) { num++; m[num]=x; } } for(int i=1;i<=min(num,k);i++) { cout<<m[i].l<<" "<<m[i].d<<'\n'; } for(int i=k-num;i>0;i--)cout<<m[1].l<<" "<<m[1].d<<'\n'; }
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