Submission #792568

# Submission time Handle Problem Language Result Execution time Memory
792568 2023-07-25T06:58:16 Z 이종영(#10088) Real Mountains (CCO23_day1problem2) C++17
16 / 25
5000 ms 31948 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;
}
bool chk(){
	debug(vector<int>(a+1,a+n+1));
	for(int i=l;i<p;i++) if(a[i]>a[i+1]) return false;
	for(int i=p;i<r;i++) if(a[i]<a[i+1]) return false;
	return true;
}
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(!chk()){
		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 'bool chk()':
Main.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 42
      |                    ^~
Main.cpp:90:2: note: in expansion of macro 'debug'
   90 |  debug(vector<int>(a+1,a+n+1));
      |  ^~~~~
Main.cpp: In function 'int main()':
Main.cpp:14:20: warning: statement has no effect [-Wunused-value]
   14 | #define debug(...) 42
      |                    ^~
Main.cpp:125:3: note: in expansion of macro 'debug'
  125 |   debug((int)ans);
      |   ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 191 ms 476 KB Output is correct
36 Correct 200 ms 476 KB Output is correct
37 Correct 179 ms 468 KB Output is correct
38 Correct 182 ms 488 KB Output is correct
39 Correct 203 ms 480 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 147 ms 500 KB Output is correct
44 Correct 167 ms 476 KB Output is correct
45 Correct 153 ms 584 KB Output is correct
46 Correct 152 ms 472 KB Output is correct
47 Correct 149 ms 504 KB Output is correct
48 Correct 147 ms 480 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 191 ms 476 KB Output is correct
36 Correct 200 ms 476 KB Output is correct
37 Correct 179 ms 468 KB Output is correct
38 Correct 182 ms 488 KB Output is correct
39 Correct 203 ms 480 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 147 ms 500 KB Output is correct
44 Correct 167 ms 476 KB Output is correct
45 Correct 153 ms 584 KB Output is correct
46 Correct 152 ms 472 KB Output is correct
47 Correct 149 ms 504 KB Output is correct
48 Correct 147 ms 480 KB Output is correct
49 Correct 185 ms 500 KB Output is correct
50 Correct 180 ms 472 KB Output is correct
51 Correct 212 ms 484 KB Output is correct
52 Correct 198 ms 468 KB Output is correct
53 Correct 190 ms 480 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 2 ms 468 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 147 ms 480 KB Output is correct
58 Correct 147 ms 468 KB Output is correct
59 Correct 144 ms 468 KB Output is correct
60 Correct 168 ms 468 KB Output is correct
61 Correct 152 ms 496 KB Output is correct
62 Correct 150 ms 484 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1584 ms 31724 KB Output is correct
36 Correct 1587 ms 31744 KB Output is correct
37 Correct 1713 ms 31816 KB Output is correct
38 Correct 1637 ms 31732 KB Output is correct
39 Correct 1463 ms 31816 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 184 ms 31772 KB Output is correct
43 Correct 191 ms 31812 KB Output is correct
44 Correct 207 ms 31840 KB Output is correct
45 Correct 872 ms 31724 KB Output is correct
46 Correct 893 ms 31948 KB Output is correct
47 Correct 887 ms 31788 KB Output is correct
48 Correct 1257 ms 31780 KB Output is correct
49 Correct 1916 ms 31724 KB Output is correct
50 Correct 1703 ms 31740 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 191 ms 476 KB Output is correct
36 Correct 200 ms 476 KB Output is correct
37 Correct 179 ms 468 KB Output is correct
38 Correct 182 ms 488 KB Output is correct
39 Correct 203 ms 480 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 147 ms 500 KB Output is correct
44 Correct 167 ms 476 KB Output is correct
45 Correct 153 ms 584 KB Output is correct
46 Correct 152 ms 472 KB Output is correct
47 Correct 149 ms 504 KB Output is correct
48 Correct 147 ms 480 KB Output is correct
49 Correct 1584 ms 31724 KB Output is correct
50 Correct 1587 ms 31744 KB Output is correct
51 Correct 1713 ms 31816 KB Output is correct
52 Correct 1637 ms 31732 KB Output is correct
53 Correct 1463 ms 31816 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 184 ms 31772 KB Output is correct
57 Correct 191 ms 31812 KB Output is correct
58 Correct 207 ms 31840 KB Output is correct
59 Correct 872 ms 31724 KB Output is correct
60 Correct 893 ms 31948 KB Output is correct
61 Correct 887 ms 31788 KB Output is correct
62 Correct 1257 ms 31780 KB Output is correct
63 Correct 1916 ms 31724 KB Output is correct
64 Correct 1703 ms 31740 KB Output is correct
65 Execution timed out 5032 ms 23792 KB Time limit exceeded
66 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 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 4 ms 500 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 8 ms 500 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 220 KB Output is correct
16 Correct 7 ms 468 KB Output is correct
17 Correct 6 ms 520 KB Output is correct
18 Correct 7 ms 520 KB Output is correct
19 Correct 7 ms 524 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 5 ms 468 KB Output is correct
24 Correct 5 ms 468 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 191 ms 476 KB Output is correct
36 Correct 200 ms 476 KB Output is correct
37 Correct 179 ms 468 KB Output is correct
38 Correct 182 ms 488 KB Output is correct
39 Correct 203 ms 480 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 147 ms 500 KB Output is correct
44 Correct 167 ms 476 KB Output is correct
45 Correct 153 ms 584 KB Output is correct
46 Correct 152 ms 472 KB Output is correct
47 Correct 149 ms 504 KB Output is correct
48 Correct 147 ms 480 KB Output is correct
49 Correct 185 ms 500 KB Output is correct
50 Correct 180 ms 472 KB Output is correct
51 Correct 212 ms 484 KB Output is correct
52 Correct 198 ms 468 KB Output is correct
53 Correct 190 ms 480 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 2 ms 468 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 147 ms 480 KB Output is correct
58 Correct 147 ms 468 KB Output is correct
59 Correct 144 ms 468 KB Output is correct
60 Correct 168 ms 468 KB Output is correct
61 Correct 152 ms 496 KB Output is correct
62 Correct 150 ms 484 KB Output is correct
63 Correct 1584 ms 31724 KB Output is correct
64 Correct 1587 ms 31744 KB Output is correct
65 Correct 1713 ms 31816 KB Output is correct
66 Correct 1637 ms 31732 KB Output is correct
67 Correct 1463 ms 31816 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 184 ms 31772 KB Output is correct
71 Correct 191 ms 31812 KB Output is correct
72 Correct 207 ms 31840 KB Output is correct
73 Correct 872 ms 31724 KB Output is correct
74 Correct 893 ms 31948 KB Output is correct
75 Correct 887 ms 31788 KB Output is correct
76 Correct 1257 ms 31780 KB Output is correct
77 Correct 1916 ms 31724 KB Output is correct
78 Correct 1703 ms 31740 KB Output is correct
79 Execution timed out 5032 ms 23792 KB Time limit exceeded
80 Halted 0 ms 0 KB -