oj.uz

Submission #742248

# Submission time Handle Problem Language Result Execution time Memory
742248 2023-05-16T02:00:58 Z arthur_nascimento Packing Biscuits (IOI20_biscuits) C++14
100 / 100
 329 ms 1336 KB 
#include "biscuits.h"
#include <bits/stdc++.h>	
#define ll long long
#define debug 

ll ans[200];
ll sum[200];

long long count_tastiness(long long x, std::vector<long long> a) {

	while(a.size() < 62) a.push_back(0);
		
	int k = a.size();

	ll tot = 1;

	for(int i=0;i<k;i++){

		debug("i %d\n",i);

		ll lo = -1, hi = tot-1;

		while(lo < hi){

			ll mid = (lo+hi+1)/2;

			ll num = 0, aux = mid;

			for(int j=i-1;j>=0;j--)

				if(aux >= sum[j] - ans[j]){

					num |= (1ll << j);

					aux -= (sum[j] - ans[j]);
				
				}

			ll val = 0;
			for(int j=0;j<i;j++){
				val += a[j];
				if(num & (1ll << j))
					val -= x;
				val /= 2;
			}
			val += a[i];

			debug("mid %lld -> %lld, num %lld\n",mid,val,num);

			if(val >= x)
				lo = mid;
			else
				hi = mid-1;
			

		}

		debug("add %d\n",lo+1);

		ans[i] = lo+1;
		tot += ans[i];
		sum[i] = tot;

	}

	return tot;
}

Compilation message

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:19:9: warning: left operand of comma operator has no effect [-Wunused-value]
   19 |   debug("i %d\n",i);
      |         ^~~~~~~~
biscuits.cpp:48:10: warning: left operand of comma operator has no effect [-Wunused-value]
   48 |    debug("mid %lld -> %lld, num %lld\n",mid,val,num);
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
biscuits.cpp:48:45: warning: right operand of comma operator has no effect [-Wunused-value]
   48 |    debug("mid %lld -> %lld, num %lld\n",mid,val,num);
      |                                             ^~~
biscuits.cpp:48:49: warning: right operand of comma operator has no effect [-Wunused-value]
   48 |    debug("mid %lld -> %lld, num %lld\n",mid,val,num);
      |                                                 ^~~
biscuits.cpp:58:9: warning: left operand of comma operator has no effect [-Wunused-value]
   58 |   debug("add %d\n",lo+1);
      |         ^~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 244 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 3 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 3 ms 212 KB Output is correct
5 Correct 3 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 3 ms 212 KB Output is correct
9 Correct 3 ms 300 KB Output is correct
10 Correct 4 ms 212 KB Output is correct
11 Correct 5 ms 304 KB Output is correct
12 Correct 5 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 108 ms 356 KB Output is correct
2 Correct 127 ms 808 KB Output is correct
3 Correct 128 ms 808 KB Output is correct
4 Correct 129 ms 804 KB Output is correct
5 Correct 127 ms 848 KB Output is correct
6 Correct 134 ms 808 KB Output is correct
7 Correct 137 ms 812 KB Output is correct
8 Correct 148 ms 804 KB Output is correct
9 Correct 132 ms 808 KB Output is correct
10 Correct 128 ms 812 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 244 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 3 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 3 ms 212 KB Output is correct
22 Correct 3 ms 212 KB Output is correct
23 Correct 3 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 300 KB Output is correct
26 Correct 3 ms 212 KB Output is correct
27 Correct 3 ms 212 KB Output is correct
28 Correct 3 ms 212 KB Output is correct
29 Correct 3 ms 212 KB Output is correct
30 Correct 3 ms 212 KB Output is correct
31 Correct 3 ms 212 KB Output is correct
32 Correct 3 ms 300 KB Output is correct
33 Correct 4 ms 212 KB Output is correct
34 Correct 5 ms 304 KB Output is correct
35 Correct 5 ms 212 KB Output is correct
36 Correct 4 ms 212 KB Output is correct
37 Correct 108 ms 356 KB Output is correct
38 Correct 127 ms 808 KB Output is correct
39 Correct 128 ms 808 KB Output is correct
40 Correct 129 ms 804 KB Output is correct
41 Correct 127 ms 848 KB Output is correct
42 Correct 134 ms 808 KB Output is correct
43 Correct 137 ms 812 KB Output is correct
44 Correct 148 ms 804 KB Output is correct
45 Correct 132 ms 808 KB Output is correct
46 Correct 128 ms 812 KB Output is correct
47 Correct 179 ms 368 KB Output is correct
48 Correct 262 ms 804 KB Output is correct
49 Correct 249 ms 396 KB Output is correct
50 Correct 270 ms 1156 KB Output is correct
51 Correct 14 ms 1336 KB Output is correct
52 Correct 10 ms 340 KB Output is correct
53 Correct 13 ms 1084 KB Output is correct
54 Correct 329 ms 1164 KB Output is correct
55 Correct 313 ms 1172 KB Output is correct
56 Correct 281 ms 1200 KB Output is correct
57 Correct 248 ms 1196 KB Output is correct