# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1027808 |
2024-07-19T10:14:26 Z |
shenfe1 |
Tiles (BOI24_tiles) |
C++17 |
|
29 ms |
14932 KB |
#include <bits/stdc++.h>
// #pragma GCC optimize("Ofast")
#define ll long long
#define lb lower_bound
#define ub upper_bound
#define pii pair<int,int>
#define pll pair<ll,ll>
#define F first
#define S second
#define ld long double
#define pb push_back
#define all(v) v.begin(),v.end()
#define in insert
#define sz(s) (int)s.size()
#define int ll
#define ppb pop_back
#define mem(a,i) memset(a,i,sizeof(a))
using namespace std;
const int MAX=2e5+15;
const ll inf=1e18;
const int mod=1e9+7;
const int dx[4]={1,0,-1,0};
const int dy[4]={0,1,0,-1};
int binpow(int a,int n){
if(!n)return 1;
if(n%2==1)return a*binpow(a,n-1)%mod;
int k=binpow(a,n/2);
return k*k%mod;
}
int n,m;
int x[MAX],y[MAX];
vector<pii> vec[MAX];
void solve(){
cin>>n>>m;
set<int> st;
map<int,int> mp;
int cur=0;
for(int i=1;i<=n;i++){
cin>>x[i]>>y[i];
assert(y[i]<=1000);
// y[i]/=2;
// st.in(y[i]);
}
// for(int x:st){
// // while(cur%2!=x%2)cur++;
// mp[x]=cur++;
// }
// for(int i=1;i<=n;i++){
// y[i]=mp[y[i]];
// }
for(int i=1;i<=n;i++){
int nx=x[i%n+1],ny=y[i%n+1];
if(nx==x[i]){
vec[x[i]].pb({min(ny,y[i]),max(ny,y[i])-1});
}
}
int ans=0;
// T.init();
vector<int> use(MAX,0),push(MAX,0);
for(int i=0;i<m;i++){
for(auto [l,r]:vec[i]){
int sum=0;
for(int j=l;j<=r;j++){
sum+=use[j];
use[j]^=1;
}
assert(sum==0||sum==r-l+1);
}
int sum=0;
for(int j=0;j<=1000;j++){
if(push[j]){
if(!use[j]){
cout<<ans<<"\n";
return;
}
else{
push[j]=0;
}
}
else{
if(use[j]){
push[j]=1;
}
}
sum+=push[j];
}
for(int j=0;j<=1000;){
if(push[j]){
if(push[j+1])j+=2;
else{
cout<<ans<<"\n";
return;
}
}
else j++;
}
if(!sum)ans=max(ans,i+1);
// assert(ans<=m);
}
cout<<ans<<"\n";
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t=1;
// cin>>t;
while(t--)solve();
}
Compilation message
Main.cpp: In function 'void solve()':
Main.cpp:45:9: warning: unused variable 'cur' [-Wunused-variable]
45 | int cur=0;
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8288 KB |
Output is correct |
2 |
Runtime error |
5 ms |
10076 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8288 KB |
Output is correct |
2 |
Runtime error |
5 ms |
10076 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8280 KB |
Output is correct |
2 |
Runtime error |
5 ms |
10148 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
8284 KB |
Output is correct |
2 |
Correct |
3 ms |
8288 KB |
Output is correct |
3 |
Correct |
3 ms |
8312 KB |
Output is correct |
4 |
Correct |
4 ms |
8280 KB |
Output is correct |
5 |
Correct |
21 ms |
13148 KB |
Output is correct |
6 |
Correct |
22 ms |
13152 KB |
Output is correct |
7 |
Correct |
4 ms |
8284 KB |
Output is correct |
8 |
Correct |
4 ms |
8284 KB |
Output is correct |
9 |
Correct |
5 ms |
8284 KB |
Output is correct |
10 |
Correct |
5 ms |
8540 KB |
Output is correct |
11 |
Correct |
5 ms |
8284 KB |
Output is correct |
12 |
Correct |
6 ms |
8284 KB |
Output is correct |
13 |
Correct |
5 ms |
8284 KB |
Output is correct |
14 |
Correct |
3 ms |
8284 KB |
Output is correct |
15 |
Correct |
4 ms |
8156 KB |
Output is correct |
16 |
Correct |
4 ms |
8284 KB |
Output is correct |
17 |
Correct |
22 ms |
13340 KB |
Output is correct |
18 |
Correct |
29 ms |
13040 KB |
Output is correct |
19 |
Correct |
8 ms |
8284 KB |
Output is correct |
20 |
Correct |
6 ms |
8284 KB |
Output is correct |
21 |
Correct |
4 ms |
8284 KB |
Output is correct |
22 |
Correct |
3 ms |
8284 KB |
Output is correct |
23 |
Correct |
4 ms |
8292 KB |
Output is correct |
24 |
Correct |
4 ms |
8284 KB |
Output is correct |
25 |
Correct |
4 ms |
8304 KB |
Output is correct |
26 |
Correct |
4 ms |
8284 KB |
Output is correct |
27 |
Correct |
4 ms |
8284 KB |
Output is correct |
28 |
Correct |
4 ms |
8144 KB |
Output is correct |
29 |
Correct |
3 ms |
8216 KB |
Output is correct |
30 |
Correct |
3 ms |
8284 KB |
Output is correct |
31 |
Correct |
4 ms |
8308 KB |
Output is correct |
32 |
Correct |
3 ms |
8284 KB |
Output is correct |
33 |
Correct |
5 ms |
8280 KB |
Output is correct |
34 |
Correct |
3 ms |
8252 KB |
Output is correct |
35 |
Correct |
3 ms |
8284 KB |
Output is correct |
36 |
Correct |
8 ms |
8304 KB |
Output is correct |
37 |
Correct |
5 ms |
8284 KB |
Output is correct |
38 |
Correct |
5 ms |
8116 KB |
Output is correct |
39 |
Correct |
4 ms |
8284 KB |
Output is correct |
40 |
Correct |
3 ms |
8284 KB |
Output is correct |
41 |
Correct |
4 ms |
8284 KB |
Output is correct |
42 |
Correct |
3 ms |
8284 KB |
Output is correct |
43 |
Correct |
3 ms |
8160 KB |
Output is correct |
44 |
Correct |
3 ms |
8232 KB |
Output is correct |
45 |
Correct |
3 ms |
8284 KB |
Output is correct |
46 |
Correct |
4 ms |
8284 KB |
Output is correct |
47 |
Correct |
4 ms |
8288 KB |
Output is correct |
48 |
Correct |
5 ms |
8284 KB |
Output is correct |
49 |
Correct |
23 ms |
14932 KB |
Output is correct |
50 |
Correct |
23 ms |
14916 KB |
Output is correct |
51 |
Correct |
23 ms |
14416 KB |
Output is correct |
52 |
Correct |
23 ms |
14428 KB |
Output is correct |
53 |
Correct |
5 ms |
8284 KB |
Output is correct |
54 |
Correct |
3 ms |
8284 KB |
Output is correct |
55 |
Correct |
5 ms |
8424 KB |
Output is correct |
56 |
Correct |
5 ms |
8540 KB |
Output is correct |
57 |
Correct |
4 ms |
8284 KB |
Output is correct |
58 |
Correct |
4 ms |
8284 KB |
Output is correct |
59 |
Correct |
4 ms |
8284 KB |
Output is correct |
60 |
Correct |
5 ms |
8284 KB |
Output is correct |
61 |
Correct |
4 ms |
8284 KB |
Output is correct |
62 |
Correct |
3 ms |
8284 KB |
Output is correct |
63 |
Correct |
6 ms |
8796 KB |
Output is correct |
64 |
Correct |
6 ms |
8536 KB |
Output is correct |
65 |
Correct |
5 ms |
8284 KB |
Output is correct |
66 |
Correct |
3 ms |
8284 KB |
Output is correct |
67 |
Correct |
5 ms |
8232 KB |
Output is correct |
68 |
Correct |
3 ms |
8284 KB |
Output is correct |
69 |
Correct |
4 ms |
8280 KB |
Output is correct |
70 |
Correct |
4 ms |
8284 KB |
Output is correct |
71 |
Correct |
6 ms |
8248 KB |
Output is correct |
72 |
Correct |
3 ms |
8284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
7 ms |
10028 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
6 ms |
10032 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
8288 KB |
Output is correct |
2 |
Runtime error |
5 ms |
10076 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |