Submission #1062649

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1062649	2024-08-17 09:35:07	nvujica	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	2 ms	2648 KiB

molecules

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#include <bits/stdc++.h>
#include "molecules.h"
#define ll long long
using namespace std;
const int maxn = 5e5 + 100;
int n;
unsigned ll bio[maxn / 64];
unsigned ll bio2[maxn / 64];
int kada[maxn];
vector<int> find_subset(int l, int u, vector<int> w) {
    n = w.size();
    memset(kada, -1, sizeof kada);
    for(int i = 0; i < n; i++){
        int d = w[i] / 64;
        int r = w[i] % 64;
        for(int j = 0; j < maxn / 64; j++){
            bio2[j] = bio[j];
            
            if(j - d >= 0) bio2[j] |= (bio[j - d] >> r);
            if(j - d - 1 >= 0) bio2[j] |= (bio[j - d - 1] << (64 - r));
            if(bio2[j] != bio[j]){
                for(int b = 0; b < 64; b++){
 
 
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Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:31:67: warning: '<<' in boolean context, did you mean '<'? [-Wint-in-bool-context]
   31 |                     if((bio2[j] & (1LL << b)) && !(bio[j] && (1LL << b))) kada[(j + 1) * 64 - 1 - b] = i;
      |                                                              ~~~~~^~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31