Eroare de compilare: user.cpp:1:1: error: ‘include’ does not name a type include <bits/stdc++.h> ^ user.cpp:2:22: error: ‘vector’ in namespace ‘std’ does not name a type int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:47: error: ‘ifstream’ in namespace ‘std’ does not name a type int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:78: error: ‘ofstream’ in namespace ‘std’ does not name a type int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp: In function ‘void d(int)’: user.cpp:2:124: error: ‘o’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:141: error: ‘v’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:160: error: ‘t’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp: At global scope: user.cpp:2:176: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp: In function ‘int main()’: user.cpp:2:186: error: ‘f’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:189: error: ‘n’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:192: error: ‘m’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:198: error: ‘i’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:219: error: ‘v’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:241: error: ‘i’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^ user.cpp:2:258: error: ‘o’ was not declared in this scope int i,j,n,m,o[50010];std::vector<int>v[50010];std::ifstream f("sortaret.in");std::ofstream t("sortaret.out");void d(int p){o[p]=1;for(int j:v[p])if(!o[j])d(j);t<<p<<" ";}main(){int x,y;f>>n>>m;for(i=1;i<=m;++i)f>>x>>y,v[y].push_back(x);for(i=1;i<=n;++i)if(!o[i])d(i);} ^