제출 #1105898

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
11058982024-10-28 09:42:54modwweMatching (CEOI11_mat)C++17
90 / 100
802 ms65536 KiB
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".ans","w",stdout)
#define pb push_back
#define mask(i) (1<<i)
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while (c < '0' || c > '9')
{
c = getchar_unlocked();
}
while (c >= '0' && c <= '9')
{
 
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컴파일 시 표준 에러 (stderr) 메시지

mat.cpp:72:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | main()
      | ^~~~
mat.cpp: In member function 'void IT::upd(long long int, long long int, long long int, long long int, long long int)':
mat.cpp:104:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  104 |         int mid=l+r>>1;
      |                 ~^~
mat.cpp: In function 'int main()':
mat.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
mat.cpp:76:9: note: in expansion of macro 'fin'
   76 |         fin(task);
      |         ^~~
mat.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fou(x) freopen(x".ans","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
mat.cpp:77:9: note: in expansion of macro 'fou'
   77 |         fou(task);
      |         ^~~
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