Compilare: main.cpp:6:35: warning: bad option '-ftune=native' to pragma 'optimize' [-Wpragmas] 6 | #pragma GCC optimize("tune=native") | ^ main.cpp:16:22: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 16 | char read_ch() { | ^ main.cpp:26:34: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 26 | InParser(const char* nume) { | ^ main.cpp:32:38: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 32 | InParser& operator >> (int &n) { | ^ main.cpp:49:44: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 49 | InParser& operator >> (long long &n) { | ^ main.cpp:78:13: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 78 | Vec() = default; | ^~~~~~~ main.cpp:79:35: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 79 | Vec(size_t n,const T& vc = T()) { | ^ main.cpp:83:29: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 83 | T& operator[](size_t idx) { | ^ main.cpp:87:37: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 87 | const T& operator[](size_t idx) const { | ^~~~~ main.cpp:91:19: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 91 | size_t size() const { | ^~~~~ main.cpp:94:16: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 94 | void clear() { | ^ main.cpp:126:11: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 126 | void read() { | ^ main.cpp:130:58: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 130 | void powr(Vec<Vec<int>>& B,long long exp,Vec<Vec<int>>& C) { | ^ main.cpp:140:31: warning: bad option '-ftune=native' to attribute 'optimize' [-Wattributes] 140 | void display(Vec<Vec<int>>& ma) { | ^ main.cpp: In function 'void display(Vec<Vec<int> >&)': main.cpp:141:20: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 141 | for(int ii=1;ii<ma.size();ii++) { | ~~^~~~~~~~~~ main.cpp:142:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 142 | for(int j=1;j<ma[ii].size();j++) { | ~^~~~~~~~~~~~~~ main.cpp: At global scope: