Compilare: main.cpp: In function 'int solve2(int)': main.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:48:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in","r",stdin); ^ main.cpp:49:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out","w",stdout); ^ main.cpp:50:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:52:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&arr[i]); ^ main.cpp:53:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ main.cpp:55:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&tip,&val); ^ main.cpp: In function 'int solve1(int)': main.cpp:36:12: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^~~ main.cpp: In function 'int main()': main.cpp:59:20: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d\n",solve1(val) + 1); ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~