oj.uz

Submission #792571

# Submission time Handle Problem Language Result Execution time Memory
792571 2023-07-25T06:59:35 Z 이종영(#10088) Real Mountains (CCO23_day1problem2) C++17
12 / 25
 5000 ms 31736 KB 
#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,popcnt,abm,mmx,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
//#include <bits/extc++.h>
//using namespace __gnu_pbds;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
using ll=long long;
//uniform_int_distribution<> gen(1,100);
template <int MOD_> struct modnum{
private:
	int v;
public:
	static const int MOD = MOD_;
	modnum() : v(0) {}
	modnum(ll v_) : v(int(v_ % MOD)) { if (v < 0) v += MOD; }
	explicit operator int () const { return v; }
	friend bool operator == (const modnum& a, const modnum& b) { return a.v == b.v; }
	friend bool operator != (const modnum& a, const modnum& b) { return a.v != b.v; }
	friend bool operator < (const modnum& a, const modnum& b) { return a.v < b.v; }
	friend bool operator <= (const modnum& a, const modnum& b) { return a.v <= b.v; }
	friend bool operator > (const modnum& a, const modnum& b) { return a.v > b.v; }
	friend bool operator >= (const modnum& a, const modnum& b) { return a.v >= b.v; }
	modnum& operator += (const modnum& o) {
		v += o.v;
		if (v >= MOD) v -= MOD;
		return *this;
	}
	modnum& operator -= (const modnum& o) {
		v -= o.v;
		if (v < 0) v += MOD;
		return *this;
	}
	modnum& operator *= (const modnum& o) {
		v = int(ll(v) * ll(o.v) % MOD);
		return *this;
	}
	friend modnum pow(modnum a, ll p) {
		modnum ans = 1;
		for (; p; p /= 2, a *= a) if (p&1) ans *= a;
		return ans;
	}
	modnum operator ~ () const {
		modnum res;
		res.v = pow((modnum)v, MOD - 2).v;
		return res;
	}
	modnum& operator /= (const modnum& o) {
		return *this *= (~o);
	}
	modnum operator-() const { return modnum(-v); }
	modnum& operator++() { return *this += 1; }
	modnum operator++(int){ modnum tmp=*this; ++*this; return tmp; }
	modnum& operator--() { return *this -= 1; }
	modnum operator--(int){ modnum tmp=*this; --*this; return tmp; }
	friend modnum operator + (const modnum& a, const modnum& b) { return modnum(a) += b; }
	friend modnum operator - (const modnum& a, const modnum& b) { return modnum(a) -= b; }
	friend modnum operator * (const modnum& a, const modnum& b) { return modnum(a) *= b; }
	friend modnum operator / (const modnum& a, const modnum& b) { return modnum(a) /= b; }
	friend ostream& operator<<(std::ostream& os, const modnum& o)
	{
		os << o.v;
		return os;
	}
	friend istream& operator>>(std::istream& is, modnum& o)
	{
		is >> o.v;
		return is;
	}
};
const ll mod=1000003;
const int N=1e6+5;
using mi=modnum<mod>;
int n,l,r,p=1;
ll a[N],pfx[N],sfx[N];
mi ans;
set<int> S;
mi F(ll a){
	return a*(a+1)/2;
}
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=2;i<=n;i++) if(a[p]<a[i]) p=i;
	l=1; r=n;
	while(l<=r){
		int q=l;
		for(int i=l+1;i<=r;i++) if(a[i]<a[q]) q=i;
		if(a[q]==a[l]){
			l++; continue;
		}
		if(a[q]==a[r]){
			r--; continue;
		}
		int qq=0;
		for(int i=l;i<=r;i++) if(a[q]<a[i]&&(qq==0||a[i]<a[qq])) qq=i;
		pfx[l-1]=sfx[r+1]=(int)1e9+1;
		for(int i=l;i<=r;i++){
			pfx[i]=pfx[i-1];
			if(a[i]!=a[q]) pfx[i]=min(pfx[i],a[i]);
		}
		for(int i=r;i>=l;i--){
			sfx[i]=sfx[i+1];
			if(a[i]!=a[q]) sfx[i]=min(sfx[i],a[i]);
		}
		vector<int> v;
		for(int i=l;i<=r;i++) if(a[i]==a[q]) v.emplace_back(i);
		int sz=v.size();
		ans+=(F(a[qq]-1)-F(a[q]-1))*sz;
		debug((int)ans);
		if(v.size()==1){
			ans+=1ll*(a[qq]-a[q])*(pfx[v[0]]+sfx[v[0]]);
		} else{
			// p0 s0 sn
			// p0 pn sn
			int i=v[0],j=v.back();
			if(sfx[i]<pfx[j]){
				ans+=1ll*(a[qq]-a[q])*(pfx[i]+sfx[i]+sfx[j]);
			} else{
				ans+=1ll*(a[qq]-a[q])*(pfx[i]+pfx[j]+sfx[j]);
			}
			int sz=v.size();
			ans+=(F(a[qq])-F(a[q]))*(1+2*(sz-2));
		}
		for(int i: v) a[i]=a[qq];
	}
	cout<<ans;
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 42
      |                    ^~
Main.cpp:119:3: note: in expansion of macro 'debug'
  119 |   debug((int)ans);
      |   ^~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 175 ms 472 KB Output is correct
36 Correct 193 ms 500 KB Output is correct
37 Correct 172 ms 500 KB Output is correct
38 Correct 188 ms 468 KB Output is correct
39 Correct 180 ms 484 KB Output is correct
40 Correct 6 ms 468 KB Output is correct
41 Correct 6 ms 468 KB Output is correct
42 Correct 9 ms 468 KB Output is correct
43 Correct 163 ms 464 KB Output is correct
44 Correct 149 ms 468 KB Output is correct
45 Correct 147 ms 500 KB Output is correct
46 Correct 144 ms 468 KB Output is correct
47 Correct 159 ms 468 KB Output is correct
48 Correct 149 ms 504 KB Output is correct

Subtask #4
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 175 ms 472 KB Output is correct
36 Correct 193 ms 500 KB Output is correct
37 Correct 172 ms 500 KB Output is correct
38 Correct 188 ms 468 KB Output is correct
39 Correct 180 ms 484 KB Output is correct
40 Correct 6 ms 468 KB Output is correct
41 Correct 6 ms 468 KB Output is correct
42 Correct 9 ms 468 KB Output is correct
43 Correct 163 ms 464 KB Output is correct
44 Correct 149 ms 468 KB Output is correct
45 Correct 147 ms 500 KB Output is correct
46 Correct 144 ms 468 KB Output is correct
47 Correct 159 ms 468 KB Output is correct
48 Correct 149 ms 504 KB Output is correct
49 Correct 182 ms 476 KB Output is correct
50 Correct 187 ms 460 KB Output is correct
51 Correct 178 ms 480 KB Output is correct
52 Correct 172 ms 472 KB Output is correct
53 Correct 175 ms 468 KB Output is correct
54 Correct 6 ms 520 KB Output is correct
55 Correct 6 ms 528 KB Output is correct
56 Correct 7 ms 468 KB Output is correct
57 Correct 141 ms 468 KB Output is correct
58 Correct 158 ms 468 KB Output is correct
59 Correct 142 ms 496 KB Output is correct
60 Correct 155 ms 468 KB Output is correct
61 Correct 141 ms 500 KB Output is correct
62 Correct 150 ms 480 KB Output is correct

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Execution timed out 5015 ms 31736 KB Time limit exceeded
36 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 175 ms 472 KB Output is correct
36 Correct 193 ms 500 KB Output is correct
37 Correct 172 ms 500 KB Output is correct
38 Correct 188 ms 468 KB Output is correct
39 Correct 180 ms 484 KB Output is correct
40 Correct 6 ms 468 KB Output is correct
41 Correct 6 ms 468 KB Output is correct
42 Correct 9 ms 468 KB Output is correct
43 Correct 163 ms 464 KB Output is correct
44 Correct 149 ms 468 KB Output is correct
45 Correct 147 ms 500 KB Output is correct
46 Correct 144 ms 468 KB Output is correct
47 Correct 159 ms 468 KB Output is correct
48 Correct 149 ms 504 KB Output is correct
49 Execution timed out 5015 ms 31736 KB Time limit exceeded
50 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 13 ms 500 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 340 KB Output is correct
10 Correct 11 ms 340 KB Output is correct
11 Correct 11 ms 468 KB Output is correct
12 Correct 13 ms 524 KB Output is correct
13 Correct 13 ms 496 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 11 ms 528 KB Output is correct
17 Correct 12 ms 500 KB Output is correct
18 Correct 13 ms 500 KB Output is correct
19 Correct 13 ms 468 KB Output is correct
20 Correct 9 ms 524 KB Output is correct
21 Correct 6 ms 472 KB Output is correct
22 Correct 8 ms 524 KB Output is correct
23 Correct 8 ms 528 KB Output is correct
24 Correct 11 ms 524 KB Output is correct
25 Correct 14 ms 468 KB Output is correct
26 Correct 9 ms 504 KB Output is correct
27 Correct 12 ms 468 KB Output is correct
28 Correct 9 ms 524 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 292 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 175 ms 472 KB Output is correct
36 Correct 193 ms 500 KB Output is correct
37 Correct 172 ms 500 KB Output is correct
38 Correct 188 ms 468 KB Output is correct
39 Correct 180 ms 484 KB Output is correct
40 Correct 6 ms 468 KB Output is correct
41 Correct 6 ms 468 KB Output is correct
42 Correct 9 ms 468 KB Output is correct
43 Correct 163 ms 464 KB Output is correct
44 Correct 149 ms 468 KB Output is correct
45 Correct 147 ms 500 KB Output is correct
46 Correct 144 ms 468 KB Output is correct
47 Correct 159 ms 468 KB Output is correct
48 Correct 149 ms 504 KB Output is correct
49 Correct 182 ms 476 KB Output is correct
50 Correct 187 ms 460 KB Output is correct
51 Correct 178 ms 480 KB Output is correct
52 Correct 172 ms 472 KB Output is correct
53 Correct 175 ms 468 KB Output is correct
54 Correct 6 ms 520 KB Output is correct
55 Correct 6 ms 528 KB Output is correct
56 Correct 7 ms 468 KB Output is correct
57 Correct 141 ms 468 KB Output is correct
58 Correct 158 ms 468 KB Output is correct
59 Correct 142 ms 496 KB Output is correct
60 Correct 155 ms 468 KB Output is correct
61 Correct 141 ms 500 KB Output is correct
62 Correct 150 ms 480 KB Output is correct
63 Execution timed out 5015 ms 31736 KB Time limit exceeded
64 Halted 0 ms 0 KB -