oj.uz

Submission #404493

# Submission time Handle Problem Language Result Execution time Memory
404493 2021-05-14T13:51:30 Z wmrmr Friend (IOI14_friend) C++17
100 / 100
 31 ms 3420 KB 
#include "friend.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX = 1e5;

int p[MAX], q[MAX];

// Find out best sample
int findSample(int n,int confidence[],int host[],int protocol[]){
	for(int i=0;i<n;i++) p[i] = confidence[i];
	int h;
	for(int i=n-1;i>0;i--)
	{
		int h = host[i], c = protocol[i];
		int a0 = p[h], a1 = p[i] , b0 = q[h] , b1 = q[i];
		if(c == 0)
		{	
			p[h] += b1;
			q[h] += max(a1,b1);	
		}
		if(c == 1)
		{
			p[h] = max( a0 + max( a1 , b1 ) , a1 + b0  );
			q[h] += b1;
		}
		if(c == 2)
		{
			p[h] = max ( a0 + b1 , a1 + b0  );
			q[h] += b1;
		}
	}
	return max( p[0] , q[0] );
}

Compilation message

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:11:6: warning: unused variable 'h' [-Wunused-variable]
   11 |  int h;
      |      ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 296 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 304 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 312 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct

Subtask #6
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 31 ms 3420 KB Output is correct
13 Correct 16 ms 1860 KB Output is correct
14 Correct 28 ms 3060 KB Output is correct
15 Correct 28 ms 3116 KB Output is correct