Compilare: main.cpp: In function 'void tp(int, int)': main.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 0; j < gs[i].size(); j++ ) ~~^~~~~~~~~~~~~~ main.cpp: In function 'int verifica(int)': main.cpp:26:12: warning: unused variable 'j' [-Wunused-variable] int i, j; ^ main.cpp: In function 'void up(int, int)': main.cpp:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 0; j < gs[i].size(); j++ ) ~~^~~~~~~~~~~~~~ main.cpp: In function 'void down(int, int)': main.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 0; j < gj[i].size(); j++ ) { ~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:89:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ main.cpp:91:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^ main.cpp:95:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &m ); ^ main.cpp:97:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a ); ^