Compilare: main.cpp: In function 'int main()': main.cpp:40:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(l[j]<0) ^ main.cpp:55:23: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(e[j]<0) ^ main.cpp:12:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("valutar.in","r",stdin); ^ main.cpp:13:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("valutar.out","w",stdout); ^ main.cpp:14:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ main.cpp:15:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a,&b,&zar); ^ main.cpp:16:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d\n",&n,&m,&l[1],&e[1],&x); ^ main.cpp:25:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c%d%d\n",&cs[i].cod,&cs[i].c,&cs[i].v); ^