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Submission #104980

# Submission time Handle Problem Language Result Execution time Memory
104980 2019-04-10T03:57:03 Z puyu_liao Gap (APIO16_gap) C++14
30 / 100
 87 ms 2844 KB 
#include<bits/stdc++.h>
#include<stdint.h>
using namespace std;
#define IOS {cin.tie(0);ios_base::sync_with_stdio(false);}
#define N 300006

//vector<int> vv;
//void MinMax(long long s, long long t, long long* mn, long long* mx){
//	cout << "ASKed " << s << ' ' << t << '\n';
//	auto imn = lower_bound(vv.begin(),vv.end(),s);
//	auto imx = upper_bound(vv.begin(),vv.end(),t);
//	if(imn == vv.end() || imx == vv.begin() || *imn > *--imx) {
//		cout << "return (-1,-1)" << '\n';
//		return *mn = *mx = -1ll, void();
//	}
//	*mn = *imn;
//	*mx = *imx;
//	cout << "return " << complex<int>(*mn,*mx) << '\n';
//}

#include "gap.h"
typedef long long ll;

vector<ll> v;
void qur(ll l,ll r){
	if(l > r) return;
	ll mn,mx, m = l+r>>1;
	MinMax(l,m,&mn,&mx);
	if(mn != -1) {
		v.push_back(mn);
		if(mn != mx) v.push_back(mx);
		qur(mn+1,mx-1);
	}
	MinMax(m+1,r,&mn,&mx);
	if(mn != -1) {
		v.push_back(mn);
		if(mn != mx) v.push_back(mx);
		qur(mn+1,mx-1);
	}
}

ll findGap(int T,int n){
	if(T==1){
		vector<ll> v1,v2;
		ll ans = 0;
		ll s = 0, t = 1000000000000000000ll,mn,mx;
		for(int i=1,j=n;i<=j;i++,j--){
			MinMax(s,t,&mn,&mx);
			v1.push_back(mn);
			if(i != j) v2.push_back(mx);
			s = mn+1; t=mx-1;
		}
		reverse(v2.begin(),v2.end());
		for(ll i : v2) v1.push_back(i);
		for(int i=0;i<v1.size()-1;i++) ans = max(ans,v1[i+1]-v1[i]);
		return ans;
	}
	else{
		ll ans = 0;
		ll s = 0, t = 1000000000000000000ll,mn,mx;
		MinMax(s,t,&mn,&mx); v.push_back(mn); v.push_back(mx);
		s = mn+1, t = mx-1;
		qur(s,t);
		sort(v.begin(),v.end());
		//for(int i : v) cout << i << ' '; cout << '\n';
		for(int i=0;i<v.size()-1;i++) ans = max(ans,v[i+1]-v[i]);
		return ans;
	}
}

Compilation message

gap.cpp: In function 'void qur(ll, ll)':
gap.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  ll mn,mx, m = l+r>>1;
                ~^~
gap.cpp: In function 'll findGap(int, int)':
gap.cpp:55:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<v1.size()-1;i++) ans = max(ans,v1[i+1]-v1[i]);
               ~^~~~~~~~~~~~
gap.cpp:66:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<v.size()-1;i++) ans = max(ans,v[i+1]-v[i]);
               ~^~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 13 ms 1068 KB Output is correct
17 Correct 13 ms 1068 KB Output is correct
18 Correct 14 ms 1068 KB Output is correct
19 Correct 14 ms 1040 KB Output is correct
20 Correct 15 ms 1024 KB Output is correct
21 Correct 54 ms 2656 KB Output is correct
22 Correct 52 ms 2688 KB Output is correct
23 Correct 49 ms 2716 KB Output is correct
24 Correct 55 ms 2716 KB Output is correct
25 Correct 48 ms 2844 KB Output is correct
26 Correct 53 ms 2736 KB Output is correct
27 Correct 47 ms 2716 KB Output is correct
28 Correct 47 ms 2716 KB Output is correct
29 Correct 48 ms 2716 KB Output is correct
30 Correct 40 ms 2716 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct

Subtask #2
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Partially correct 2 ms 384 KB Partially correct
3 Partially correct 2 ms 384 KB Partially correct
4 Partially correct 2 ms 384 KB Partially correct
5 Partially correct 2 ms 384 KB Partially correct
6 Partially correct 2 ms 384 KB Partially correct
7 Partially correct 2 ms 384 KB Partially correct
8 Partially correct 2 ms 384 KB Partially correct
9 Partially correct 2 ms 384 KB Partially correct
10 Runtime error 2 ms 384 KB Execution failed because the return code was nonzero
11 Partially correct 4 ms 512 KB Partially correct
12 Partially correct 3 ms 384 KB Partially correct
13 Partially correct 3 ms 384 KB Partially correct
14 Partially correct 3 ms 384 KB Partially correct
15 Partially correct 3 ms 384 KB Partially correct
16 Partially correct 17 ms 896 KB Partially correct
17 Partially correct 26 ms 896 KB Partially correct
18 Partially correct 26 ms 896 KB Partially correct
19 Partially correct 24 ms 896 KB Partially correct
20 Runtime error 5 ms 512 KB Execution failed because the return code was nonzero
21 Partially correct 82 ms 2288 KB Partially correct
22 Partially correct 65 ms 2336 KB Partially correct
23 Partially correct 70 ms 2292 KB Partially correct
24 Partially correct 76 ms 2416 KB Partially correct
25 Partially correct 60 ms 2316 KB Partially correct
26 Partially correct 75 ms 2460 KB Partially correct
27 Partially correct 75 ms 2264 KB Partially correct
28 Partially correct 87 ms 2228 KB Partially correct
29 Partially correct 79 ms 2260 KB Partially correct
30 Runtime error 15 ms 1152 KB Execution failed because the return code was nonzero
31 Partially correct 2 ms 384 KB Partially correct
32 Partially correct 2 ms 384 KB Partially correct