Submission #859213

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
859213	2023-10-10 01:38:39	TS_2392	Making Friends on Joitter is Fun (JOI20_joitter2)	C++14	100 / 100	888 ms	68436 KiB

joitter2

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#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp> // Common file
// #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
using namespace std;
// using namespace __gnu_pbds;
#define fileIO(name)  if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout);}
#define SPEED         ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define EL            cout << '\n'
#define dbg(x)        cout << #x << " = " << (x) << ' '
#define dbgp(x)       cout << #x << " = (" << (x.fi) << ", " << (x.se) << ") "
#define dbga(x, l, r) {cout << #x << '[' << l << ", " << r << "] = { "; for(int i = l; i <= (int)r; ++i) cout << x[i] << ' '; cout << "} ";}
#define epl           emplace
#define pb            push_back
#define eb            emplace_back
#define fi            first
#define se            second
#define mp            make_pair
#define sqr(x)        ((x) * (x))
#define all(x)        (x).begin(), (x).end()
#define rall(x)       (x).rbegin(), (x).rend()
#define lwb           lower_bound
#define upb           upper_bound
#define clz           __builtin_clzll // or __builtin_clz
#define ctz           __builtin_ctzll // or __builtin_ctz
#define pct           __builtin_popcountll // or __builtin_popcount
 
 
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Compilation message (stderr)

joitter2.cpp: In function 'int main()':
joitter2.cpp:8:58: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 | #define fileIO(name)  if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout);}
      |                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joitter2.cpp:120:12: note: in expansion of macro 'fileIO'
  120 |     SPEED; fileIO("text");
      |            ^~~~~~
joitter2.cpp:8:91: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 | #define fileIO(name)  if(fopen(name".inp", "r")) {freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout);}
      |                                                                                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
joitter2.cpp:120:12: note: in expansion of macro 'fileIO'
  120 |     SPEED; fileIO("text");
      |            ^~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 16 / 16
• Subtask 3: 83 / 83