Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:17: error: 'a' was not declared in this scope scanf("%s",&a); ^ main.cpp:9:23: error: 'st' was not declared in this scope scanf("%d %d %d",&st,&dr,&res); ^~ main.cpp:9:27: error: 'dr' was not declared in this scope scanf("%d %d %d",&st,&dr,&res); ^~ main.cpp:9:31: error: 'res' was not declared in this scope scanf("%d %d %d",&st,&dr,&res); ^~~ main.cpp:10:5: error: 'semn' was not declared in this scope semn=2;//2+ 1- ^~~~ main.cpp:11:13: error: 'i' was not declared in this scope while(a[i]!="\n") ^ main.cpp:16:13: error: 'nr' was not declared in this scope nr=0; ^~ main.cpp:21:13: error: 'nr' was not declared in this scope nr=0; ^~ main.cpp:25:17: error: 'nr' was not declared in this scope nr=nr*10+a[i]-"0"; ^~ main.cpp:6:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eq4.in","r",stdin); ^ main.cpp:7:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eq4.out","w",stdout); ^ Non zero exit status: 1