Submission #540983

#	Time	Username	Problem	Language	Result	Execution time	Memory
540983		vinnipuh01	Money (IZhO17_money)	C++17	0 / 100	1 ms	212 KiB

money

#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
#define int long long

using namespace std;

const long long oo = 1000000000000000000;

long long sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

int n, a[ 1000001 ], mp[ 1000001 ];
vector <pair<int, int> > v;

main () {
	cin >> n;
	for ( int i = 1; i <= n; i ++ )
		cin >> a[ i ], v.push_back( { a[ i ], i } );
	sort( v.begin(), v.end() );
	for ( int i = 0; i < v.size(); i ++ )
		mp[ v[ i ].second ] = i + 1;
	ans = 1;
	for ( int i = 2; i <= n; i ++ ) {
		if ( mp[ i ] < mp[ i - 1 ] )
			ans ++;
	}
	cout << ans;
}

Compilation message (stderr)

money.cpp:49:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   49 | main () {
      | ^~~~
money.cpp: In function 'int main()':
money.cpp:54:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  for ( int i = 0; i < v.size(); i ++ )
      |                   ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55