Compilare: user.cpp: In function ‘void citire()’: user.cpp:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int cmp(obstacole, obstacole)’: user.cpp:68: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In function ‘int cmp2(obstacole, obstacole)’: user.cpp:72: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp: In function ‘void lungime_zid()’: user.cpp:85: warning: unused variable ‘ok’ user.cpp: In function ‘void coliniaritate(int, int)’: user.cpp:114: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:123: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:143: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:163: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int main()’: user.cpp:236: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:237: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result