Compilare: main.cpp: In function 'void read(short unsigned int&)': main.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= m; i++){ ~~^~~~ main.cpp:40:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 0; i < 4; i++) ^~~ main.cpp:45:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' G[x].push_back({y, cnt}); ^ main.cpp: In function 'void solve2(short unsigned int)': main.cpp:115:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i++) ~~^~~~ main.cpp:118:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= m; i++) ~~^~~~