Compilare: main.cpp: In function 'int main()': main.cpp:75:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < strlen(vec); j++) { ~~^~~~~~~~~~~~~ main.cpp:69:10: warning: variable 'c' set but not used [-Wunused-but-set-variable] char c; ^ main.cpp:144:49: warning: 'pozjj' may be used uninitialized in this function [-Wmaybe-uninitialized] out << value << " " << pozii << " " << pozjj; ^ main.cpp:144:37: warning: 'pozii' may be used uninitialized in this function [-Wmaybe-uninitialized] out << value << " " << pozii << " " << pozjj; ^~~ main.cpp:144:21: warning: 'value' may be used uninitialized in this function [-Wmaybe-uninitialized] out << value << " " << pozii << " " << pozjj; ^~~ main.cpp:124:36: warning: 'jr' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(jul, ij, jj, n, m, 1,ir,jr); ^ main.cpp:125:17: warning: 'jj' may be used uninitialized in this function [-Wmaybe-uninitialized] jul[ij][jj] = 1; ~~~~~~~~~~~~^~~ main.cpp:124:36: warning: 'ir' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(jul, ij, jj, n, m, 1,ir,jr); ^ main.cpp:125:17: warning: 'ij' may be used uninitialized in this function [-Wmaybe-uninitialized] jul[ij][jj] = 1; ~~~~~~~~~~~~^~~