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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#162840 | #7105. Pixel Art | ucup-team870 | RE | 2ms | 8780kb | C++17 | 3.7kb | 2023-09-03 17:07:30 | 2023-09-03 17:07:30 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define IOS {cin.tie(0);cout.tie(0);ios::sync_with_stdio(0);}
#define rep(i,j,k) for(int i=j;i<=k;++i)
#define per(i,j,k) for(int i=j;i>=k;--i)
#define P pair<int,int>
#define ll long long
#define vi vector<int>
#define ilr int i,int l,int r
#define ls i<<1,l,mid
#define rs i<<1|1,mid+1,r
#define mi int mid=l+r>>1;
const int N=1e5+5;
vector<P>ask[N],del[N];
int d[N],fa[N];
map<P,int>mp;
vi fas;
int fd(int x){
if(x==fa[x])return x;
return fa[x]=fd(fa[x]);
}
void getqj(int l,int r){
auto it=mp.lower_bound({l,0}); --it;
while(it->first.first <= r){
auto [x,y]=it->first;
if(min(r,y)>=max(l,x))fas.push_back(fd(it->second));
++it;
}
}
void slv(){
mp.clear(); mp[{-2,-2}]=0; mp[{N,N}]=0;
int n,m,k;cin>>n>>m>>k;
rep(i,1,k){
int r1,c1,r2,c2;cin>>r1>>c1>>r2>>c2;
ask[r1].push_back({c1,c2}); del[r2+1].push_back({c1,c2});
d[r1]+=c2-c1+1,d[r2+1]-=c2-c1+1;
}
ll res1=0,res2=0,cf=0;
int cnt=0;
rep(i,1,n){
cf+=d[i]; res1+=cf;
sort(ask[i].begin(),ask[i].end());
vi vec[ask[i].size()]; vi ok(ask[i].size());
auto get1=[&](int l,int r){
// cout<<l<<' '<<r<<'\n';
fas.clear(); ok[l]=r+1;
getqj(ask[i][l].first,ask[i][r].second);
vec[l].insert(vec[l].end(),fas.begin(),fas.end());
};
int l=-1,r;
for(int j=0;j<ask[i].size();++j){
if(j==0){l=0,r=0;continue;}
if(ask[i][j].first!=ask[i][j-1].second+1){
get1(l,r); l=j;
}
r=j;
}
if(l!=-1)get1(l,r);
for(auto [c1,c2]:del[i])mp.erase({c1,c2});
auto get2=[&](int l,int r){
fas.clear();
getqj(ask[i][l].first-1,ask[i][l].first-1); getqj(ask[i][r].second+1,ask[i][r].second+1);
vec[l].insert(vec[l].end(),fas.begin(),fas.end());
++cnt,++res2; fa[cnt]=cnt;
rep(k,l,r)mp[ask[i][k]]=cnt;
vec[l].push_back(cnt); int rt=vec[l][0];
sort(vec[l].begin(),vec[l].end());
int pre=-1;
for(auto v:vec[l]){
if(v==pre)continue; //需要去重
pre=v; assert(fa[v]==v);
if(v!=rt)fa[v]=rt,--res2;
}
};
l=-1;
for(int j=0;j<ask[i].size();++j){
if(j==0){l=0,r=0;continue;}
if(ask[i][j].first!=ask[i][j-1].second+1){
get2(l,r); l=j;
}
r=j;
}
if(l!=-1)get2(l,r);
// for(int j=0;j<ask[i].size();++j){ 整个放在get2里面就不用再更新rt了
// if(!ok[j])continue;
// for(auto &v:vec[j])v=fd(v); //查询到的可能合并之后变了!!s
// ++cnt,++res2; fa[cnt]=cnt;
// int r=ok[j]-1;
// rep(k,j,r)mp[ask[i][k]]=cnt;
// vec[j].push_back(cnt); int rt=vec[j][0];
// sort(vec[j].begin(),vec[j].end());
// int pre=-1;
// for(auto v:vec[j]){
// if(v==pre)continue; //需要去重
// pre=v;
// if(v!=rt)fa[v]=rt,--res2;
// }
// }
cout<<res1<<' '<<res2<<'\n';
}
rep(i,1,n+1)ask[i].clear(),del[i].clear(),d[i]=0;
}
signed main(){
IOS
int T;cin>>T;
while(T--)slv();
}
/*
4 5 6
1 1 2 1
1 4 1 4
1 5 3 5
2 2 3 2
2 3 3 3
4 3 4 5
6 4 6
1 1 2 1
1 4 6 4
2 2 2 3
5 2 5 2
4 1 6 1
6 3 6 3
3 3 3
1 1 2 1
2 2 2 2
1 3 3 3
3 4 4
1 2 1 2
2 1 3 1
2 2 3 2
2 3 3 3
2 5 2
1 1 1 2
2 3 2 5
2 5 2
1 1 1 3
2 3 2 5
3 3 3
1 1 1 2
3 1 3 2
1 3 2 3
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 8780kb
input:
3 2 5 2 1 1 1 2 2 3 2 5 2 5 2 1 1 1 3 2 3 2 5 3 3 3 1 1 1 2 3 1 3 2 1 3 2 3
output:
2 1 5 2 3 1 6 1 3 1 4 1 6 2
result:
ok 7 lines
Test #2:
score: -100
Dangerous Syscalls
input:
2130 2 5 2 1 1 1 2 2 3 2 5 2 5 2 1 1 1 3 2 3 2 5 3 3 3 1 1 1 2 3 1 3 2 1 3 2 3 3 100 51 1 2 2 2 1 4 2 4 1 6 2 6 1 8 2 8 1 10 2 10 1 12 2 12 1 14 2 14 1 16 2 16 1 18 2 18 1 20 2 20 1 22 2 22 1 24 2 24 1 26 2 26 1 28 2 28 1 30 2 30 1 32 2 32 1 34 2 34 1 36 2 36 1 38 2 38 1 40 2 40 1 42 2 42 1 44 2 44 ...
output:
2 1 5 2 3 1 6 1 3 1 4 1 6 2 50 50 100 50 200 1 50 50 150 1 200 1 2 1 4 1 6 1 8 1 10 1 12 1 14 1 16 1 18 1 20 1 22 1 24 1 26 1 28 1 30 1 32 1 34 1 36 1 38 1 40 1 42 1 44 1 46 1 48 1 50 1 52 1 54 1 56 1 58 1 60 1 62 1 64 1 66 1 68 1 70 1 72 1 74 1 76 1 78 1 80 1 82 1 84 1 86 1 88 1 90 1 92 1 94 1 96 1...