Submission #543416

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
5434162022-03-30 13:58:04codebuster_10Mecho (IOI09_mecho)C++17
42 / 100
244 ms11460 KiB
#include <bits/stdc++.h>
#define int int64_t //be careful about this
using namespace std;
#define vt vector
#define ar array
#define pr pair
#define f first
#define s second
#define pb push_back
#define eb emplace_back
#define fr(i,a,b) for(int i = a; i < b; ++i)
#define rf(i,a,b) for(int i = a-1; i >= b; --i)
#define all(x) x.begin(),x.end()
#define mem(a,b) memset(a,b,sizeof(a))
namespace IN{
template<class T> void re(vector<T> &A);
template<class S,class T> void re(pair<S,T> &A);
template<class T,size_t N> void re(array<T,N> &A);
template<class T> void re(T& x){
cin >> x;}
template<class H, class... T> void re(H& h, T&... t){
re(h); re(t...);}
 
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Compilation message (stderr)

mecho.cpp: In lambda function:
mecho.cpp:208:9: warning: unused variable 'now' [-Wunused-variable]
  208 |     int now = 0;
      |         ^~~
mecho.cpp: In function 'void FUN::IO(std::string)':
mecho.cpp:68:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |       freopen((s+".in").c_str(),"r",stdin);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mecho.cpp:69:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |       freopen((s+".out").c_str(),"w",stdout);
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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