Eroare de compilare: main.cpp:2:75: error: ISO C++ forbids declaration of 'm' with no type [-fpermissive] 2 | int u,z,p,K=1000000,t[1000001][8];long long s;std::ifstream f("cufar.in");m(){for(u=0;u<=K;u+=2){t[u][0]=2;t[u][7]=1;}for(u=3;u<=K;u+=2){if(t[u][0]==0)for(z=u;z<=K;z+=u){t[z][t[z][7]]=u;t[z][7]++;}}}main(){m();f>>p>>p;while(p--){f>>u>>z;s+=t[u][z-1];}std::ofstream("cufar.out")<<s;} | ^ main.cpp: In function 'int m()': main.cpp:2:199: warning: no return statement in function returning non-void [-Wreturn-type] 2 | int u,z,p,K=1000000,t[1000001][8];long long s;std::ifstream f("cufar.in");m(){for(u=0;u<=K;u+=2){t[u][0]=2;t[u][7]=1;}for(u=3;u<=K;u+=2){if(t[u][0]==0)for(z=u;z<=K;z+=u){t[z][t[z][7]]=u;t[z][7]++;}}}main(){m();f>>p>>p;while(p--){f>>u>>z;s+=t[u][z-1];}std::ofstream("cufar.out")<<s;} | ^ main.cpp: At global scope: main.cpp:2:200: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | int u,z,p,K=1000000,t[1000001][8];long long s;std::ifstream f("cufar.in");m(){for(u=0;u<=K;u+=2){t[u][0]=2;t[u][7]=1;}for(u=3;u<=K;u+=2){if(t[u][0]==0)for(z=u;z<=K;z+=u){t[z][t[z][7]]=u;t[z][7]++;}}}main(){m();f>>p>>p;while(p--){f>>u>>z;s+=t[u][z-1];}std::ofstream("cufar.out")<<s;} | ^~~~ Non zero exit status: 1