Compilare: user.cpp: In function ‘int main()’: user.cpp:21:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<Dp[i-1].size()||t>0;j++){ ^ user.cpp:26:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<Dp[i].size();j++){ ^ user.cpp:28:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i-k-1>=0&&j<Dp[i-k-1].size()) ^ user.cpp:38:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<Dp[n].size();j++){ ^ user.cpp:40:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j<Dp[n-1].size()) ^ user.cpp:59:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(nrcif<4&&i<Dp[n].size()-1){ ^ user.cpp:14:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&n,&k); ^