Submission #638734

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
638734	2022-09-07 08:00:48	minhcool	Permutation (APIO22_perm)	C++17	100 / 100	257 ms	2896 KiB

perm

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#include<bits/stdc++.h>
using namespace std;
 
//#define int long long
#define ll long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define foru(i, l, r) for(int i = l; i <= r; i++)
#define ford(i, r, l) for(int i = r; i >= l; i--)
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 1e5 + 5;
 
const int oo = 1e18 + 7, mod = 1e9 + 7;
 
int a[11], answer[N];
 
vector<int> save[N];
 
int cal(vector<int> v){
  int ans = 0;
  for(int i = 0; i < (1LL << v.size()); i++){
    vector<int> v2;
    bool ok = 1;
    for(int j = 0; j < v.size(); j++){
 
 
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Compilation message (stderr)

perm.cpp:19:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   19 | const int oo = 1e18 + 7, mod = 1e9 + 7;
      |                ~~~~~^~~
perm.cpp: In function 'int cal(std::vector<int>)':
perm.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(int j = 0; j < v.size(); j++){
      |                  ~~^~~~~~~~~~
perm.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   for(int j = 1; j < v2.size(); j++) ok &= (v2[j] > v2[j - 1]);
      |                  ~~^~~~~~~~~~~
perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:70:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |  for(int i = 4; i < bits.size(); i += 2){
      |                 ~~^~~~~~~~~~~~~
perm.cpp:71:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |   if(i == bits.size() - 1){
      |      ~~^~~~~~~~~~~~~~~~~~
perm.cpp:112:7: warning: variable 'pos1' set but not used [-Wunused-but-set-variable]
  112 |   int pos1, pos2;
      |       ^~~~
perm.cpp:112:13: warning: variable 'pos2' set but not used [-Wunused-but-set-variable]
  112 |   int pos1, pos2;
      |             ^~~~
perm.cpp:47:3: warning: 'pos2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   47 |   if(pos1 < pos2) continue;
      |   ^~

• Subtask 1: 10 / 10
• Subtask 2: 90 / 90