Compilare: user.cpp: In function ‘void solve()’: user.cpp:27:30: warning: narrowing conversion of ‘(n + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] deck.push_front((cell){n + 1, 1}); ^ user.cpp:39:58: warning: narrowing conversion of ‘lvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] deck.push_front((cell){lvec, cvec}); ^ user.cpp:39:58: warning: narrowing conversion of ‘cvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:49:53: warning: narrowing conversion of ‘lvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] deck.push_back((cell){lvec, cvec}); ^ user.cpp:49:53: warning: narrowing conversion of ‘cvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:60:53: warning: narrowing conversion of ‘lvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] deck.push_back((cell){lvec, cvec}); ^ user.cpp:60:53: warning: narrowing conversion of ‘cvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp:65:54: warning: narrowing conversion of ‘lvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] deck.push_front((cell){lvec, cvec}); ^ user.cpp:65:54: warning: narrowing conversion of ‘cvec’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] user.cpp: In function ‘int main()’: user.cpp:93:27: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] file_in >> mtr[i] + 1; ^