Compilare: main.cpp: In function 'int main()': main.cpp:31:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < lista[coada[inc]].size(); i++ ) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:54:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < lista[coada[inc]].size(); i++ ) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:18:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ main.cpp:20:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n1, &n2 ); ^ main.cpp:50:19: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] coada[inc] = p; ^