Compilare: main.cpp: In function 'int main(int, char**)': main.cpp:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(cnt >= k) | ~~~~^~~~ main.cpp:114:53: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 114 | if(sp_st[i].cost != -1 and sp_st[i].cnt <= k) | ~~~~~~~~~~~~~^~~~ main.cpp:132:53: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 132 | if(sp_dr[i].cost != -1 and sp_dr[i].cnt <= k) | ~~~~~~~~~~~~~^~~~ main.cpp:142:79: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 142 | if(dp[j].minn != -1 and (dp[j].last != curr or dp[j].indx != i) and dp[j].last != curr + 1) | ~~~~~~~~~~~^~~~