Submission #228939

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
228939	2020-05-03 06:25:03	NONAME	Preokret (COCI18_preokret)	C++17	0.30 / 50	6 ms	384 KiB

preokret

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#include <bits/stdc++.h>
#define sz(x) int(x.size())
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#define N 100500
#define oo ll(1e16)
#define ft first
#define sd second
#define pb push_back
#define ppb pop_back
#define el '\n'
#define elf endl
#define base ll(1e9 + 7)
using namespace std;
typedef long long ll;
typedef long double ld;
int n, res1, res2, cnt[2];
vector <pair <int, bool> > v;
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    in("input.txt");
    cin >> n;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        v.pb({x, 0});
 
 
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Compilation message (stderr)

preokret.cpp: In function 'int main()':
preokret.cpp:3:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
 #define in(x) freopen(x, "r", stdin)
               ~~~~~~~^~~~~~~~~~~~~~~
preokret.cpp:24:5: note: in expansion of macro 'in'
     in("input.txt");
     ^~

• Subtask 1: 0.3 / 50