답안 #555025

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
555025 2022-04-30T02:28:47 Z kwongweng Gap (APIO16_gap) C++17
100 / 100
53 ms 3224 KB
#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
 
#pragma GCC target ("avx2")
#pragma GCC optimization ("Ofast")
#pragma GCC optimization ("unroll-loops")
 
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second
 
ll MOD = 1000000007;
 
ll power(ll base, ll n){
	if (n == 0) return 1;
	if (n == 1) return base;
	ll halfn = power(base, n/2);
	if (n % 2 == 0) return (halfn * halfn) % MOD;
	return (((halfn * halfn) % MOD) * base) % MOD;
}
 
ll inverse(ll n){
	return power(n, MOD-2);
}
 
ll add(ll a, ll b){
	return (a+b) % MOD;
}
 
ll mul(ll a, ll b){
	a %= MOD;
	return (a*b) % MOD;
}
 
ll gcd(ll a, ll b){
    if (a == 1) return 1;
    if (a == 0) return b;
    return gcd(b%a, a);
}

ll INF = (MOD-7)*(MOD-7);
ll findGap(int t, int n){
	if (t == 1){
		vector<ll> a;
		ll L = 0, R = INF;
		FOR(i,0,(n+1)/2){
			ll mn, mx;
			MinMax(L,R,&mn,&mx);
			a.pb(mn); a.pb(mx);
			L = mn+1, R = mx-1;
		}
		sort(a.begin(), a.end());
		ll maxi = 0;
		FOR(i,1,a.size()){
			maxi = max(maxi, a[i]-a[i-1]);
		}
		return maxi;
	}
	ll L, R;
	MinMax(0,INF,&L,&R);
	ll len  = R-L-1;
	ll sz = len / (n-1);
	ll curl = L+1, curr;
	vector<ll> a; a.pb(L);
	FOR(i,0,n-1){
		curr = curl + sz - 1 + (len%(n-1) > i);
		ll mn, mx;
		MinMax(curl,curr,&mn,&mx);
		if (mn != -1){
			a.pb(mn);
			a.pb(mx);
		}
		curl = curr+1;
	}
	a.pb(R);
	ll ans = 0;
	FOR(i,1,a.size()){
		ans = max(ans, a[i]-a[i-1]);
	}
	return ans;
}

Compilation message

gap.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    6 | #pragma GCC optimization ("Ofast")
      | 
gap.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization ("unroll-loops")
      | 
gap.cpp: In function 'll findGap(int, int)':
gap.cpp:15:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 | #define FOR(i, a, b) for(int i = a; i < b; i++)
......
   64 |   FOR(i,1,a.size()){
      |       ~~~~~~~~~~~~                     
gap.cpp:64:3: note: in expansion of macro 'FOR'
   64 |   FOR(i,1,a.size()){
      |   ^~~
gap.cpp:15:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 | #define FOR(i, a, b) for(int i = a; i < b; i++)
......
   87 |  FOR(i,1,a.size()){
      |      ~~~~~~~~~~~~                      
gap.cpp:87:2: note: in expansion of macro 'FOR'
   87 |  FOR(i,1,a.size()){
      |  ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 10 ms 816 KB Output is correct
17 Correct 10 ms 816 KB Output is correct
18 Correct 10 ms 892 KB Output is correct
19 Correct 10 ms 848 KB Output is correct
20 Correct 8 ms 848 KB Output is correct
21 Correct 40 ms 2172 KB Output is correct
22 Correct 44 ms 2220 KB Output is correct
23 Correct 38 ms 2248 KB Output is correct
24 Correct 41 ms 2200 KB Output is correct
25 Correct 35 ms 2196 KB Output is correct
26 Correct 45 ms 2244 KB Output is correct
27 Correct 40 ms 2232 KB Output is correct
28 Correct 40 ms 2216 KB Output is correct
29 Correct 39 ms 2208 KB Output is correct
30 Correct 33 ms 2204 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 13 ms 848 KB Output is correct
17 Correct 12 ms 848 KB Output is correct
18 Correct 13 ms 848 KB Output is correct
19 Correct 13 ms 808 KB Output is correct
20 Correct 6 ms 464 KB Output is correct
21 Correct 52 ms 2204 KB Output is correct
22 Correct 52 ms 2168 KB Output is correct
23 Correct 51 ms 2240 KB Output is correct
24 Correct 50 ms 2180 KB Output is correct
25 Correct 48 ms 3224 KB Output is correct
26 Correct 53 ms 2208 KB Output is correct
27 Correct 49 ms 2164 KB Output is correct
28 Correct 51 ms 2204 KB Output is correct
29 Correct 53 ms 2244 KB Output is correct
30 Correct 30 ms 1460 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct