Compilare: main.cpp: In function 'int main()': main.cpp:50:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 50 | if (dist[compa]+s1.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:53:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 53 | if (dist[compa]+s1.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:60:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 60 | if (dist[compa]+s2.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:63:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 63 | if (dist[compa]+s2.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:70:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 70 | if (dist[compa]+s3.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:73:39: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 73 | if (dist[compa]+s3.size ()<rez) | ~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:43:16: warning: iteration 39999 invokes undefined behavior [-Waggressive-loop-optimizations] 43 | dist[i]=2e9; | ~~~~~~~^~~~ main.cpp:42:19: note: within this loop 42 | for (int i=1;i<=MAXN;++i) | ~^~~~~~