Compilare: main.cpp: In function 'int solve(const std::vector<int>&, int)': main.cpp:95:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v.size() > s){ ~~~~~~~~~^~~ main.cpp:96:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v.size() > 2 * s){ ~~~~~~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:161:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ main.cpp:165:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&s); ^ main.cpp:168:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^