Compilare: main.cpp: In function 'void read()': main.cpp:12:12: warning: unused variable 'x' [-Wunused-variable] int i, j, x; ^ main.cpp: In function 'void solve()': main.cpp:51:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x > nrcheie - 1) ~~^~~~~~~~~~~~~ main.cpp:60:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x > nrcheie - 1) ~~^~~~~~~~~~~~~ main.cpp:65:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x > nrcheie - 1) ~~^~~~~~~~~~~~~ main.cpp:50:7: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] x += nr[i + 1][j + 1]; main.cpp:25:12: warning: 'Max' may be used uninitialized in this function [-Wmaybe-uninitialized] int i, j, Max; ^~~