Submission #423930

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
423930	2021-06-11 14:13:29	Abelyan	Ancient Books (IOI17_books)	C++17	50 / 100	249 ms	21188 KiB

books

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#ifndef ALEXPC
#include "books.h"
#endif
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,n) for (int i=0;i<(n);++i)
#define FORT(i,a,b) for (int i=(a);i<=(b);++i)
#define FORD(i,n) for (int i=(n)-1;i>=0;--i)
#define FORTD(i,a,b) for (int i=(a);i>=(b);--i)
#define trav(to,v) for (auto to : v)
#define all(v) v.begin(),v.end()
#define fr first
#define sc second
typedef long long ll;
const int N = 1e6+6;
long long minimum_walk(vector<int> p, int s) {
  ll ans=0;
  bool bl=false;
  vector<pair<int,int> > vc;
  FOR(i,p.size()){
    ans+=llabs(p[i]-i);
    if (p[i]!=i || i==s)bl=true;
    if (bl)vc.push_back({min(i,p[i]),max(i,p[i])});
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:8:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define FOR(i,n) for (int i=0;i<(n);++i)
      |                                ^
books.cpp:26:2: note: in expansion of macro 'FOR'
   26 |  FOR(i,p.size()){
      |  ^~~
books.cpp:8:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define FOR(i,n) for (int i=0;i<(n);++i)
      |                                ^
books.cpp:34:2: note: in expansion of macro 'FOR'
   34 |  FOR(i,vc.size()){
      |  ^~~

• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30