Compilare: user.cpp: In function ‘int main()’: user.cpp:31:35: warning: narrowing conversion of ‘g’ from ‘int’ to ‘bool’ inside { } [-Wnarrowing] traseu[x].push_back({y, g}); ^ user.cpp:32:35: warning: narrowing conversion of ‘g’ from ‘int’ to ‘bool’ inside { } [-Wnarrowing] traseu[y].push_back({x, g}); ^ user.cpp:20:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &N, &M, &G); ^ user.cpp:27:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &x, &y, &g); ^