Compilare: main.cpp: In function 'void read()': main.cpp:13:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&partialSumsLength,&minLength); ^ main.cpp:15:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&newElem); ^ main.cpp: In function 'int main()': main.cpp:41:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv2.in","r",stdin); ^ main.cpp:42:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv2.out","w",stdout); ^ main.cpp: In function 'void solve()': main.cpp:22:8: warning: 'minSum' is used uninitialized in this function [-Wuninitialized] sol=partialSums[minLength]-minSum; ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:32:21: warning: 'minSumStart' may be used uninitialized in this function [-Wmaybe-uninitialized] solStart=minSumStart; ~~~~~~~~^~~~~~~~~~~~