Submission #956214

# Submission time Handle Problem Language Result Execution time Memory
956214 2024-04-01T10:30:06 Z peteza Gap (APIO16_gap) C++14
30 / 100
38 ms 3744 KB
#include "gap.h"
#include <iostream>
#include <vector>
#include <utility>
using ll = long long;
const ll inf = 2e18;

long long findGap(int T, int N) {
	if(T==1) {
		ll cmin=0, cmax=inf, l=0, r=0;
		std::vector<ll> v1, v2;
		while(cmin <= cmax && v1.size() + v2.size() < N) {
			MinMax(cmin, cmax, &l, &r);
			if(l == -1) break;
			v1.push_back(l); if(l != r) v2.push_back(r);
			cmin = l+1; cmax = r-1;
		}
		ll amax = v2.back() - v1.back();
		for(int i=0;i<v1.size()-1;i++) amax = std::max(amax, v1[i+1] - v1[i]);
		for(int i=0;i<v2.size()-1;i++) amax = std::max(amax, v2[i] - v2[i+1]);
		return amax;
	} else {
		ll rmin, rmax, l, r;
		MinMax(0, inf, &rmin, &rmax);
		ll amax = 1, i=1;
		while(rmin < rmax) {
			for(;i<=inf;i<<=1) {
				MinMax(rmin+1, rmin+i, &l, &r);
				if(l != -1) break;
			}
			if((i >> 1) >= amax) i >>= 1;
          i = std::max(i, 1ll);
			amax = std::max(amax, l-rmin);
			rmin = r;
		} 
		return amax;
	}
}

Compilation message

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:12:47: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   12 |   while(cmin <= cmax && v1.size() + v2.size() < N) {
      |                         ~~~~~~~~~~~~~~~~~~~~~~^~~
gap.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   for(int i=0;i<v1.size()-1;i++) amax = std::max(amax, v1[i+1] - v1[i]);
      |               ~^~~~~~~~~~~~
gap.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int i=0;i<v2.size()-1;i++) amax = std::max(amax, v2[i] - v2[i+1]);
      |               ~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2468 KB Output is correct
4 Correct 2 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 2 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 7 ms 2840 KB Output is correct
17 Correct 7 ms 2844 KB Output is correct
18 Correct 8 ms 2844 KB Output is correct
19 Correct 7 ms 2840 KB Output is correct
20 Correct 6 ms 2832 KB Output is correct
21 Correct 29 ms 3616 KB Output is correct
22 Correct 29 ms 3744 KB Output is correct
23 Correct 38 ms 3648 KB Output is correct
24 Correct 29 ms 3560 KB Output is correct
25 Correct 25 ms 3664 KB Output is correct
26 Correct 30 ms 3592 KB Output is correct
27 Correct 29 ms 3640 KB Output is correct
28 Correct 28 ms 3668 KB Output is correct
29 Correct 28 ms 3668 KB Output is correct
30 Correct 24 ms 3572 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 2392 KB Partially correct
2 Partially correct 0 ms 2392 KB Partially correct
3 Partially correct 0 ms 2392 KB Partially correct
4 Partially correct 1 ms 2392 KB Partially correct
5 Partially correct 1 ms 2392 KB Partially correct
6 Correct 1 ms 2440 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 0 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Incorrect 1 ms 2392 KB Output isn't correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Incorrect 1 ms 2392 KB Output isn't correct
15 Partially correct 1 ms 2392 KB Partially correct
16 Incorrect 5 ms 2592 KB Output isn't correct
17 Correct 5 ms 2580 KB Output is correct
18 Correct 4 ms 2584 KB Output is correct
19 Correct 4 ms 2592 KB Output is correct
20 Correct 4 ms 2392 KB Output is correct
21 Correct 20 ms 2736 KB Output is correct
22 Correct 17 ms 2864 KB Output is correct
23 Correct 20 ms 2764 KB Output is correct
24 Correct 17 ms 2664 KB Output is correct
25 Partially correct 38 ms 2820 KB Partially correct
26 Correct 16 ms 2852 KB Output is correct
27 Correct 17 ms 2828 KB Output is correct
28 Correct 16 ms 2792 KB Output is correct
29 Correct 18 ms 2652 KB Output is correct
30 Correct 17 ms 3104 KB Output is correct
31 Partially correct 1 ms 2392 KB Partially correct
32 Correct 1 ms 2392 KB Output is correct