Compilare: user.cpp: In function ‘int main()’: user.cpp:91:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ape.in","r",stdin); ^ user.cpp:92:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ape.out","w",stdout); ^ user.cpp:94:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:95:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ user.cpp:99:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ user.cpp: In function ‘void solvejs()’: user.cpp:43:18: warning: ‘pmi’ may be used uninitialized in this function [-Wmaybe-uninitialized] sl[1].pos=pmi; ^ user.cpp:45:18: warning: ‘pma’ may be used uninitialized in this function [-Wmaybe-uninitialized] sl[2].pos=pma; ^ user.cpp: In function ‘void solvedr()’: user.cpp:78:18: warning: ‘pmi’ may be used uninitialized in this function [-Wmaybe-uninitialized] sl[3].pos=pmi; ^ user.cpp:80:18: warning: ‘pma’ may be used uninitialized in this function [-Wmaybe-uninitialized] sl[4].pos=pma; ^