Submission #102952

#	Time	Username	Problem	Language	Result	Execution time	Memory
102952		AbduM	Money (IZhO17_money)	C++14	0 / 100	4 ms	640 KiB

money

#include <bits/stdc++.h>

#define all(x)                  x.begin(), x.end()
#define sz(s)                   (ll)(s.size())
#define pb                      push_back
#define pf                      push_front
#define ppb                     pop_back()
#define ppf                     pop_front()
#define F                       first
#define S                       second
#define MP                      make_pair
#define ort1                    exit(0);
#define nl                      "\n"

#define rep(i, l, r)            for(int i = (l); i <= (r); ++i)
#define per(i, l, r)            for(int i = (l); i >= (r); --i)
#define TL                      clock() / (double)CLOCKS_PER_SEC
#define NFS                     ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef double db;

const double pi = acos(-1.0);
const double eps = 1e-7;
const long long inf = 1e12 + 1;
const long long INF = 1e18 + 1;
const int mod = 1e9 + 7;
const int N = 5e5 + 7;

int n;
int a[N];

int main(){
    NFS
    #ifdef ioi
        freopen("in.txt", "r", stdin);
    #else
        freopen("money.in", "r", stdin);
        freopen("money.out", "w", stdout);
    #endif

    cin >> n;
    rep(i, 1, n){
        cin >> a[i];
    }

    int ans = 1;
    rep(i, 1, n - 1){
        if(a[i] > a[i + 1]) ans++;
    }

    cout << ans;

    #ifdef ioi
        cout << nl << TL << nl;
    #endif // ioi
    ort1
}

Compilation message (stderr)

money.cpp: In function 'int main()':
money.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("money.in", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
money.cpp:42:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("money.out", "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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