oj.uz

Submission #1040887

# Submission time Handle Problem Language Result Execution time Memory
1040887 2024-08-01T11:26:47 Z nightfal Comparing Plants (IOI20_plants) C++14
19 / 100
 149 ms 6748 KB 
#include "plants.h"
static std:: vector<int> inc,dec,rank;
static int l,m;
 
// void print(std::vector<int> &v) {for(int elem: v) std::cout << elem << " "; std::cout << std::endl;}
int findMax(int k, std::vector<int> &r) {
    int i=2*m-1;
    while (r[i%m]!=0) {i--;}
    // std::cout << i << std::endl;
    int j = i-1;
    while (j > i-k) {
        if (r[j%m]==0) i = j; 
        j--;
    }
    for(int j=i; j>i-k; j--) r[j%m]--;
    // std::cout << i%n << std::endl;
    // print(r);
    return i%m;
}
void init2(int k, std::vector<int> r) {
    int n = r.size();
    rank.resize(n);
    for(int i=n-1; i>=0; i--) {
        rank[findMax(k,r)] = i;   
        // print(rank);
    }
    return;
}
int compare_plants2(int x, int y) {
    if (rank[x]>rank[y]) return 1;
    else return -1;
}
void init1(int k, std::vector<int> r) {
    int n = r.size();
    inc.resize(n); dec.resize(n);
    for(int i=0; i<n; i++) {inc[i] = dec[i] = i;}
    int s,incVal,decVal;
    for(s=2*n-1; s>=0; s--) {
        if (r[s%n]==0) incVal = s;
        else decVal = s;
        inc[s%n] = incVal; dec[s%n] = decVal;
    }
    return;
}
int compare_plants1(int x, int y) {
    if (y <= dec[x] or x+m <= inc[y]) return 1;
    else if (y <= inc[x] or x+m <= dec[y]) return -1;
	return 0;
}
void init(int k, std::vector<int> r) {
    int n = r.size(); 
    m=n; l=k;
	if(k==2) init1(k, r);
    if(n<=5000 and 2*k>n) init2(k, r);
	return;
}
int compare_plants(int x, int y) {
  	if(l==2) return compare_plants1(x,y);
    if(m<=5000 and 2*l>m) return compare_plants2(x,y);
	return 0;
}

Compilation message

plants.cpp: In function 'void init1(int, std::vector<int>)':
plants.cpp:41:37: warning: 'decVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
   41 |         inc[s%n] = incVal; dec[s%n] = decVal;
plants.cpp:41:18: warning: 'incVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
   41 |         inc[s%n] = incVal; dec[s%n] = decVal;

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 25 ms 3128 KB Output is correct
7 Correct 43 ms 3412 KB Output is correct
8 Correct 59 ms 6484 KB Output is correct
9 Correct 55 ms 6484 KB Output is correct
10 Correct 39 ms 6492 KB Output is correct
11 Correct 51 ms 6604 KB Output is correct
12 Correct 60 ms 6600 KB Output is correct
13 Correct 72 ms 6484 KB Output is correct
14 Correct 47 ms 6748 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 5 ms 432 KB Output is correct
7 Correct 117 ms 4992 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 5 ms 532 KB Output is correct
10 Correct 115 ms 5008 KB Output is correct
11 Correct 108 ms 4948 KB Output is correct
12 Correct 91 ms 5248 KB Output is correct
13 Correct 149 ms 5200 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 5 ms 432 KB Output is correct
7 Correct 117 ms 4992 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 5 ms 532 KB Output is correct
10 Correct 115 ms 5008 KB Output is correct
11 Correct 108 ms 4948 KB Output is correct
12 Correct 91 ms 5248 KB Output is correct
13 Correct 149 ms 5200 KB Output is correct
14 Incorrect 28 ms 5532 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 25 ms 3128 KB Output is correct
7 Correct 43 ms 3412 KB Output is correct
8 Correct 59 ms 6484 KB Output is correct
9 Correct 55 ms 6484 KB Output is correct
10 Correct 39 ms 6492 KB Output is correct
11 Correct 51 ms 6604 KB Output is correct
12 Correct 60 ms 6600 KB Output is correct
13 Correct 72 ms 6484 KB Output is correct
14 Correct 47 ms 6748 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 5 ms 432 KB Output is correct
21 Correct 117 ms 4992 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 5 ms 532 KB Output is correct
24 Correct 115 ms 5008 KB Output is correct
25 Correct 108 ms 4948 KB Output is correct
26 Correct 91 ms 5248 KB Output is correct
27 Correct 149 ms 5200 KB Output is correct
28 Incorrect 28 ms 5532 KB Output isn't correct
29 Halted 0 ms 0 KB -