Compilare: main.cpp: In function 'int main()': main.cpp:111:23: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 111 | for (size_t i = 0; i < n; i++) | ~~^~~ main.cpp:112:24: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 112 | for (size_t j = 0; j < m; j++) | ~~^~~ main.cpp:118:23: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 118 | for (size_t i = 0; i < n; i++) | ~~^~~ main.cpp:119:24: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 119 | for (size_t j = 0; j < m; j++) | ~~^~~ main.cpp: In function 'Pos Bfs2()': main.cpp:107:1: warning: control reaches end of non-void function [-Wreturn-type] 107 | } | ^