Submission #55108

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
551082018-07-06 05:11:06ksun48Broken Device (JOI17_broken_device)C++14
100 / 100
107 ms3848 KiB
#include "Annalib.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
void done(vector<LL> message, vector<LL> perm){
for(int i = 0; i < message.size(); i++){
Set(i, message[perm[i]]);
}
}
void Anna(int N, long long X, int K, int P[]){
// shared initialization
static mt19937_64 mt1(4848);
static mt19937_64 mt2(48222);
static LL B = 60;
LL Y = mt1() & ((1LL << B) - 1);
vector<LL> perm(N);
for(int i = 0; i < N; i++){
perm[i] = i;
}
for(int i = N-1; i >= 0; i--){
int d = mt2() % (i+1);
if(d < 0){
d += (i+1);
}
swap(perm[i], perm[d]);
}
// shared initialization
 
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Compilation message (stderr)

Anna.cpp: In function 'void done(std::vector<long long int>, std::vector<long long int>)':
Anna.cpp:7:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < message.size(); i++){
                 ~~^~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
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