matricea.cpp: In function 'int main()': matricea.cpp:54: warning: suggest explicit braces to avoid ambiguous 'else' matricea.cpp:62: warning: suggest explicit braces to avoid ambiguous 'else' matricea.cpp:70: warning: suggest explicit braces to avoid ambiguous 'else' matricea.cpp:5: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result matricea.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result matricea.cpp:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result matricea.cpp:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result matricea.cpp:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result