| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 535212 |
2022-03-09T17:00:09 Z |
NaimSS |
Cake (CEOI14_cake) |
C++14 |
|
499 ms |
16324 KB |
#include <bits/stdc++.h>
#define ld long double
#define endl "\n"
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define ms(v,x) memset(v,x,sizeof(v))
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define per(i, a, b) for(int i = b-1; i>=a ; i--)
#define trav(a, x) for(auto& a : x)
#define allin(a , x) for(auto a : x)
#define Unique(v) sort(all(v));v.erase(unique(all(v)),v.end());
#define sz(v) ((int)v.size())
using namespace std;
typedef vector<int> vi;
#define y1 abacaba
//#define left oooooopss
#define db(x) cerr << #x <<" == "<<x << endl;
#define db2(x,y) cerr<<#x <<" == "<<x<<", "<<#y<<" == "<<y<<endl;
#define db3(x,y,z) cerr << #x<<" == "<<x<<", "<<#y<<" == "<<y<<", "<<#z<<" == "<<z<<endl;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<ll> vl;
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
ll cdiv(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll fdiv(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down
inline ll mod(ll n, ll m ){ ll ret = n%m; if(ret < 0) ret += m; return ret; }
ll gcd(ll a, ll b){return (b == 0LL ? a : gcd(b, a%b));}
ll exp(ll b,ll e,ll m){
b%=m;
ll ans = 1;
for (; e; b = b * b % m, e /= 2)
if (e & 1) ans = ans * b % m;
return ans;
}
// debug:
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T){
cerr << ' ' << H;
dbg_out(T...);
}
#ifdef LOCAL
#define dbg(...) cerr<<"(" << #__VA_ARGS__<<"):" , dbg_out(__VA_ARGS__) , cerr << endl
#else
#define dbg(...) 42
#endif
//
const int N = 500100;
int val[N];
char op[N];
int id[N],e[N],b[N];
vi top10;
int num[N],ini[N];
int nxt[N];
int last[N];
// seg:
int tree[4*N];
void upd(int no,int i,int j,int p,int v){
if(i==j){
tree[no] = v;
return;
}
int m = (i+j)/2,l=2*no,r=2*no+1;
if(p<=m)upd(l,i,m,p,v);
else upd(r,m+1,j,p,v);
tree[no] = max(tree[l],tree[r]);
}
int query(int no,int i,int j,int a,int b){
if(i>j || i > b || j < a)return 0;
if(a<=i && j<=b)return tree[no];
int m = (i+j)/2,l=2*no,r=2*no+1;
return max(query(l,i,m,a,b),query(r,m+1,j,a,b));
}
int buscaL(int no,int i,int j,int idr,int mx){
if(i > idr)return 0;
if(tree[no] < mx)return 0;
if(i==j)return i;
int m = (i+j)/2,l=2*no,r=2*no+1;
int op1 = buscaL(r,m+1,j,idr,mx);
if(op1!=0)return op1;
return buscaL(l,i,m,idr,mx);
}
int n,a;
int buscaR(int no,int i,int j,int idl,int mx){
if(j < idl)return n+1;
if(tree[no] < mx)return n+1;
if(i==j)return i;
int m = (i+j)/2,l=2*no,r=2*no+1;
int op1 = buscaR(l,i,m,idl,mx);
if(op1!=n+1)return op1;
return buscaR(r,m+1,j,idl,mx);
}
int32_t main(){
fastio;
cin >> n >> a;
for(int i=1;i<=n;i++){
cin >> val[i];
ini[i] = val[i];
if(val[i] >= n-9)top10.pb(i);
upd(1,1,n,i,val[i]);
}
int q;
cin >> q;
int mx = n;
for(int i=1;i<=q;i++){
cin >> op[i];
if(op[i] == 'E'){
cin >> id[i] >> e[i];
sort(all(top10),[&](int i1,int i2){
return val[i1] > val[i2];
});
if(sz(top10) > min(n,10))top10.pop_back();
mx += e[i];
for(int j=0;j<e[i]-1;j++){
val[top10[j]] = mx - j;
if(last[top10[j]]>0)
nxt[last[top10[j]]] = val[top10[j]];
else
ini[top10[j]] = val[top10[j]];
upd(1,1,n,top10[j],val[top10[j]]);
}
if(num[id[i]] == 0){
ini[id[i]] = val[id[i]];
num[id[i]]=1;
}
nxt[i] = mx - e[i] + 1;
val[id[i]] = nxt[i];
upd(1,1,n,id[i],nxt[i]);
last[id[i]] = i;
dbg(id[i],nxt[i]);
int dentro=0;
for(auto it : top10)if(it == id[i])dentro=1;
if(!dentro)
top10.pb(id[i]);
}else{
cin >> b[i];
if(b[i] == a){
cout << 0 << endl;
}else if(b[i] > a){
int mx = query(1,1,n,a+1,b[i]);
int l = (a == 1 ? 0 : buscaL(1,1,n,a-1,mx)) + 1;
dbg(b[i],mx,l);
cout << b[i]-l << endl;
}else{
int mx = query(1,1,n,b[i],a-1);
int r = (a==n ? n + 1 : buscaR(1,1,n,a+1,mx)) - 1;
dbg(b[i],mx,r);
cout << r - b[i] << endl;
}
}
}
return 0;
rep(i,1,n+1){
upd(1,1,n,i,ini[i]);
val[i] = ini[i];
}
rep(i,1,q+1)if(op[i]=='E'){
dbg(id[i],nxt[i]);
val[id[i]] = nxt[i];
upd(1,1,n,id[i],nxt[i]);
}else{
if(b[i] == a){
cout << 0 << endl;
}else if(b[i] > a){
int mx = query(1,1,n,a+1,b[i]);
int l = (a == 1 ? 0 : buscaL(1,1,n,a-1,mx)) + 1;
dbg(b[i],mx,l);
cout << b[i]-l << endl;
}else{
int mx = query(1,1,n,b[i],a-1);
int r = (a==n ? n + 1 : buscaR(1,1,n,a+1,mx)) - 1;
dbg(b[i],mx,r);
cout << r - b[i] << endl;
}
}
// math -> gcd it all
// Did u check N=1? Did you switch N,M?
}
Compilation message
cake.cpp: In function 'int32_t main()':
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:146:9: note: in expansion of macro 'dbg'
146 | dbg(id[i],nxt[i]);
| ^~~
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:159:9: note: in expansion of macro 'dbg'
159 | dbg(b[i],mx,l);
| ^~~
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:164:9: note: in expansion of macro 'dbg'
164 | dbg(b[i],mx,r);
| ^~~
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:177:7: note: in expansion of macro 'dbg'
177 | dbg(id[i],nxt[i]);
| ^~~
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:186:9: note: in expansion of macro 'dbg'
186 | dbg(b[i],mx,l);
| ^~~
cake.cpp:50:18: warning: statement has no effect [-Wunused-value]
50 | #define dbg(...) 42
| ^~
cake.cpp:191:9: note: in expansion of macro 'dbg'
191 | dbg(b[i],mx,r);
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
4 ms |
460 KB |
Output is correct |
| 5 |
Correct |
8 ms |
860 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
272 ms |
7744 KB |
Output is correct |
| 2 |
Correct |
152 ms |
7888 KB |
Output is correct |
| 3 |
Correct |
181 ms |
7928 KB |
Output is correct |
| 4 |
Correct |
169 ms |
8088 KB |
Output is correct |
| 5 |
Correct |
270 ms |
8340 KB |
Output is correct |
| 6 |
Correct |
252 ms |
8256 KB |
Output is correct |
| 7 |
Correct |
197 ms |
8152 KB |
Output is correct |
| 8 |
Correct |
129 ms |
8384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
69 ms |
4396 KB |
Output is correct |
| 2 |
Correct |
74 ms |
4044 KB |
Output is correct |
| 3 |
Correct |
61 ms |
3780 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
102 ms |
6468 KB |
Output is correct |
| 6 |
Correct |
106 ms |
6500 KB |
Output is correct |
| 7 |
Correct |
94 ms |
5900 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
33 ms |
1396 KB |
Output is correct |
| 2 |
Correct |
28 ms |
1484 KB |
Output is correct |
| 3 |
Correct |
67 ms |
3124 KB |
Output is correct |
| 4 |
Correct |
67 ms |
3108 KB |
Output is correct |
| 5 |
Correct |
81 ms |
3268 KB |
Output is correct |
| 6 |
Correct |
100 ms |
4816 KB |
Output is correct |
| 7 |
Correct |
87 ms |
4472 KB |
Output is correct |
| 8 |
Correct |
113 ms |
6376 KB |
Output is correct |
| 9 |
Correct |
478 ms |
16256 KB |
Output is correct |
| 10 |
Correct |
308 ms |
9772 KB |
Output is correct |
| 11 |
Correct |
323 ms |
10712 KB |
Output is correct |
| 12 |
Correct |
499 ms |
15608 KB |
Output is correct |
| 13 |
Correct |
390 ms |
16324 KB |
Output is correct |
