Eroare de compilare: main.cpp:1:40: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 1 | #pragma GCC optimize ("O3 unroll-loops") | ^ In file included from /usr/include/features.h:461, from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:522, from /usr/include/c++/10/iosfwd:38, from /usr/include/c++/10/ios:38, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:2: /usr/include/wchar.h:89:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 89 | __THROW __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:89:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:94:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 94 | __THROW __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:94:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:99:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 99 | __THROW __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:99:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:103:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 103 | __THROW __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:103:14: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:107:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 107 | __THROW __attribute_pure__ __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:107:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:110:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 110 | __THROW __attribute_pure__ __nonnull ((1, 2)); | ^~~~~~~~~ /usr/include/wchar.h:110:33: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:114:66: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 114 | extern int wcscasecmp (const wchar_t *__s1, const wchar_t *__s2) __THROW; | ^~~~~~~ /usr/include/wchar.h:114:66: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:118:16: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 118 | size_t __n) __THROW; | ^~~~~~~ /usr/include/wchar.h:118:16: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:123:21: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 123 | locale_t __loc) __THROW; | ^~~~~~~ /usr/include/wchar.h:123:21: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' /usr/include/wchar.h:126:34: error: argument to '-O' should be a non-negative integer, 'g', 's' or 'fast' 126 | size_t __n, locale_t __loc) __THROW; | ^~~~~~~ Non zero exit status: 1