Compilare: main.cpp: In function 'int main()': main.cpp:81:39: warning: narrowing conversion of 'i' from 'int' to 'short int' inside { } [-Wnarrowing] poz[mat[i][j]] = {i, j}; ^ main.cpp:81:39: warning: narrowing conversion of 'j' from 'int' to 'short int' inside { } [-Wnarrowing] main.cpp:89:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < pos.size(); i++){ ~~^~~~~~~~~~~~ main.cpp:93:47: warning: narrowing conversion of '((((int)a.coord::x) + ((int)b.coord::x)) / 2)' from 'int' to 'short int' inside { } [-Wnarrowing] pos[i].loc.push_back({(a.x + b.x) / 2, (a.y + b.y) / 2}); ~~~~~~~~~~~~^~~ main.cpp:93:64: warning: narrowing conversion of '((((int)a.coord::y) + ((int)b.coord::y)) / 2)' from 'int' to 'short int' inside { } [-Wnarrowing] pos[i].loc.push_back({(a.x + b.x) / 2, (a.y + b.y) / 2}); ~~~~~~~~~~~~^~~