oj.uz

Submission #69767

# Submission time Handle Problem Language Result Execution time Memory
69767 2018-08-21T13:11:31 Z yogahmad Worst Reporter 3 (JOI18_worst_reporter3) C++14
19 / 100
 1234 ms 263168 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define fbo find_by_order
#define ook order_of_key
#define f first
#define s second
#define pb push_back
#define reset(a,b) memset(a,b,sizeof a);
#define MOD 1000000007
#define MID (l+r)/2
#define ALL(x) x.begin(),x.end()
#define debug(x) cout<<#x<<" = "<<(x)<<endl
#define mx 500003
#define pc(x) putchar_unlocked(x);
typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> pbds;

long long n,a[mx],gerak[mx],setiap[mx],q,t,l,r;

long long cel(long long a,long long b){
	long long ret=a/b;
	if(a%b)ret++;
	return ret;
}

int main(){
	scanf("%d%d",&n,&q);
	for(int i=1;i<=n;i++)scanf("%d",&a[i]);
	setiap[0]=gerak[0]=1;
	gerak[1]=a[1];
	setiap[1]=a[1];
	for(int i=2;i<=n;i++){
		long long sem=cel(a[i],gerak[i-1]);
		setiap[i]=sem*setiap[i-1];
		gerak[i]=sem*gerak[i-1];
	}
	//for(int i=1;i<=n;i++)cout<<setiap[i]<<' '<<gerak[i]<<endl;
	while(q--){
		scanf("%lld%lld%lld",&t,&l,&r);
		int lo=0,hi=n,kiri=-1;
		while(lo<=hi){
			int mid=(lo+hi)>>1;
			long long brp=t/setiap[mid];
			brp=brp*gerak[mid];
			long long di=brp-mid;
			if(l<=di){
				lo=mid+1;
				kiri=mid;
			}
			else hi=mid-1;
		}
	//	debug(kiri);
		if(kiri==-1){
			puts("0");
			continue;
		}
		lo=0,hi=n;
		int kanan=-1;
		while(lo<=hi){
			int mid=(lo+hi)>>1;
			long long brp=t/setiap[mid];
			brp=brp*gerak[mid];
			long long di=brp-mid;
			if(di<=r){
				hi=mid-1;
				kanan=mid;
			}
			else lo=mid+1;
		}
		//debug(kanan);
		if(kanan==-1){
			puts("0");
			continue;
		}
		printf("%d\n",kiri-kanan+1);
	}
}

Compilation message

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:29:20: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf("%d%d",&n,&q);
               ~~   ^
worst_reporter3.cpp:29:20: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
worst_reporter3.cpp:30:39: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  for(int i=1;i<=n;i++)scanf("%d",&a[i]);
                                  ~~~~~^
worst_reporter3.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~
worst_reporter3.cpp:30:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%d",&a[i]);
                       ~~~~~^~~~~~~~~~~~
worst_reporter3.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld",&t,&l,&r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1232 ms 30632 KB Output is correct
2 Correct 1234 ms 46308 KB Output is correct
3 Correct 1012 ms 61616 KB Output is correct
4 Correct 1187 ms 77108 KB Output is correct
5 Correct 1171 ms 92580 KB Output is correct
6 Correct 1100 ms 107984 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 107984 KB Output is correct
2 Correct 4 ms 107984 KB Output is correct
3 Correct 3 ms 107984 KB Output is correct
4 Correct 4 ms 107984 KB Output is correct
5 Correct 4 ms 107984 KB Output is correct
6 Correct 3 ms 107984 KB Output is correct

Subtask #3
0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 1232 ms 30632 KB Output is correct
2 Correct 1234 ms 46308 KB Output is correct
3 Correct 1012 ms 61616 KB Output is correct
4 Correct 1187 ms 77108 KB Output is correct
5 Correct 1171 ms 92580 KB Output is correct
6 Correct 1100 ms 107984 KB Output is correct
7 Correct 5 ms 107984 KB Output is correct
8 Correct 4 ms 107984 KB Output is correct
9 Correct 3 ms 107984 KB Output is correct
10 Correct 4 ms 107984 KB Output is correct
11 Correct 4 ms 107984 KB Output is correct
12 Correct 3 ms 107984 KB Output is correct
13 Correct 663 ms 122184 KB Output is correct
14 Correct 663 ms 138836 KB Output is correct
15 Correct 639 ms 154068 KB Output is correct
16 Correct 711 ms 169872 KB Output is correct
17 Correct 861 ms 189764 KB Output is correct
18 Correct 857 ms 208420 KB Output is correct
19 Correct 877 ms 227160 KB Output is correct
20 Correct 807 ms 245932 KB Output is correct
21 Runtime error 975 ms 263168 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
22 Halted 0 ms 0 KB -