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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#377815 | #5052. Rectangle Flip 2 | InfinityNS# | WA | 2ms | 5776kb | C++17 | 1.8kb | 2024-04-05 18:16:19 | 2024-04-05 18:16:20 |
Judging History
answer
#include<bits/stdc++.h>
#define f first
#define s second
#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
using namespace std;
const int N=501;
ll sm[N*N];
vector<pair<int,int>> st[N];
int mn[N];
int lb[N],rb[N];
int main(){
int n,m;
scanf("%i %i",&n,&m);
for(int i=0;i<n;i++){
st[i].reserve(m);
}
vector<pair<int,int>> ord;
for(int i=0;i<n*m;i++){
int x,y;
scanf("%i %i",&x,&y);
x--;y--;
ord.pb({x,y});
}
for(int l=0;l<n;l++){
for(int r=0;r<m;r++)mn[r]=n;
for(int r=l;r<n;r++)st[r].clear();
for(int i=0;i<n*m;i++){
auto p=ord[i];
if(p.f<l)continue;
if(mn[p.s]<p.f)continue;
//printf("%i %i\n",p.f,p.s);
for(int r=p.f;r<mn[p.s];r++){
st[r].pb({i,p.s});
}
mn[p.s]=p.f;
}
for(int r=l;r<n;r++){
for(int i=0;i<m;i++)lb[i]=rb[i]=-1;
assert(sz(st[r])==m);
for(int j=m-1;j>=0;j--){
auto p=st[r][j];
int y=p.s;
int ind=p.f;
lb[y]=y;
rb[y]=y;
//printf("%i %i: %i %i\n",l,r,p.f,p.s);
if(y&&lb[y-1]!=-1){
lb[y]=lb[y-1];
}
if(y!=m-1&&rb[y+1]!=-1){
rb[y]=rb[y+1];
}
rb[lb[y]]=rb[y];
lb[rb[y]]=lb[y];
int cc=rb[y]-lb[y]+1;
if(ind)sm[ind-1]+=cc;
}
}
}
for(int i=N*N-2;i>=0;i--){
sm[i]+=sm[i+1];
}
for(int i=0;i<n*m;i++){
printf("%lld\n",sm[i]);
}
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 5736kb
input:
2 2 1 1 2 1 1 2 2 2
output:
5 3 1 0
result:
ok 4 number(s): "5 3 1 0"
Test #2:
score: -100
Wrong Answer
time: 2ms
memory: 5776kb
input:
5 5 3 2 2 5 4 3 5 5 2 1 3 5 1 5 3 3 3 4 3 1 4 2 1 4 2 2 4 1 2 3 1 3 5 1 2 4 5 2 4 5 1 1 5 3 4 4 5 4 1 2
output:
145 117 93 84 70 65 60 54 45 42 38 31 26 24 21 18 14 13 10 8 6 4 2 1 0
result:
wrong answer 1st numbers differ - expected: '153', found: '145'