lang.cpp:7: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
7 | #pragma GCC optimization ("O3")
|
lang.cpp:8: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
8 | #pragma GCC optimization ("unroll-loops")
|
lang.cpp: In function 'void excerpt(int*)':
lang.cpp:40:7: warning: unused variable 'L' [-Wunused-variable]
40 | int L=0;
| ^
lang.cpp: In function 'void setIO(std::string)':
lang.cpp:30:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
30 | freopen((s+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lang.cpp:31:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
31 | freopen((s+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~