oj.uz

Submission #775033

# Submission time Handle Problem Language Result Execution time Memory
775033 2023-07-06T07:02:02 Z Thanhs Worst Reporter 3 (JOI18_worst_reporter3) C++14
100 / 100
 1029 ms 13076 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef stack<ll> sll;
typedef queue<ll> qll;
typedef deque<ll> dll;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
 
// #define endl '\n'
#define pb push_back
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define BACK(i,a,b) for(int i = a; i >= b; i--)
#define fastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define fi first
#define se second
#define bp __builtin_popcountll
#define gcd __gcd
#define bit(i,n) ((n>>i)&1)
#define setmin(x,y) x=min((x),(y))
#define setmax(x,y) x=max((x),(y))
 
const int MAXN = (5e5)+5;
// const ll SQRT = 4;
const long long inf = 1e18;
const long long MOD = 1e9+7;

ll n,q,s[MAXN],d[MAXN],f[MAXN];

signed main()
{
	fastIO
	// freopen("in.txt","r",stdin);
	// freopen("out.txt","w",stdout);
	cin>>n>>q;
	FOR(i,1,n) cin>>d[i];
	f[0]=1;
	FOR(i,1,n) f[i]=int((d[i]+f[i-1]-1)/f[i-1])*f[i-1];
	while(q--)
	{
		int t,l,r,up,m;
		cin>>t>>l>>r;
		if(t<l) {cout<<0<<endl; continue;}
		int lx=-1,rx=n+1;
		while(lx<rx-1)
		{
			m=lx+rx>>1;
			if(-m+(t/f[m])*f[m]<l) rx=m;
			else lx=m; 
		}
		up=lx;
		lx=-1,rx=n+1;
		while(lx<rx-1)
		{
			m=lx+rx>>1;
			if(-m+(t/f[m])*f[m]>r) lx=m;
			else rx=m; 
		}
		cout<<up-rx+1<<endl;
	}
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:53:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |    m=lx+rx>>1;
      |      ~~^~~
worst_reporter3.cpp:61:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   61 |    m=lx+rx>>1;
      |      ~~^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 901 ms 11084 KB Output is correct
2 Correct 909 ms 13060 KB Output is correct
3 Correct 901 ms 13076 KB Output is correct
4 Correct 1029 ms 12980 KB Output is correct
5 Correct 960 ms 12992 KB Output is correct
6 Correct 959 ms 13040 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 901 ms 11084 KB Output is correct
2 Correct 909 ms 13060 KB Output is correct
3 Correct 901 ms 13076 KB Output is correct
4 Correct 1029 ms 12980 KB Output is correct
5 Correct 960 ms 12992 KB Output is correct
6 Correct 959 ms 13040 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 719 ms 10952 KB Output is correct
14 Correct 713 ms 11036 KB Output is correct
15 Correct 752 ms 10956 KB Output is correct
16 Correct 743 ms 11028 KB Output is correct
17 Correct 782 ms 12516 KB Output is correct
18 Correct 825 ms 12516 KB Output is correct
19 Correct 778 ms 11504 KB Output is correct
20 Correct 801 ms 12480 KB Output is correct
21 Correct 879 ms 12424 KB Output is correct
22 Correct 830 ms 12580 KB Output is correct
23 Correct 805 ms 12564 KB Output is correct
24 Correct 793 ms 12476 KB Output is correct
25 Correct 922 ms 13072 KB Output is correct
26 Correct 918 ms 13024 KB Output is correct
27 Correct 823 ms 10996 KB Output is correct
28 Correct 843 ms 12712 KB Output is correct
29 Correct 817 ms 10924 KB Output is correct
30 Correct 828 ms 10988 KB Output is correct
31 Correct 849 ms 10832 KB Output is correct
32 Correct 847 ms 12556 KB Output is correct
33 Correct 1 ms 340 KB Output is correct