func_code_string: #include <bits/stdc++.h>   using namespace std;   const int P = 1e9 + 7, INF = 0x3f3f3f3f;   long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; }   long long qpow(long long a, long long n) {     long long r = 1 % P;     for (a %= P; n; a = a * a % P, n >>= 1)       if (n & 1) r = r * a % P;     return r;   }   long long inv(long long first) {     return first <= 1 ? 1 : inv(P % first) * (P - P / first) % P;   }   inline int rd() {     int first = 0;     char p = getchar();     while (p <  0  || p >  9 ) p = getchar();     while (p >=  0  && p <=  9 ) first = first * 10 + p -  0 , p = getchar();     return first;   }   const int N = 1e6 + 10;   int n, m, k, a[N], deg1[N], deg2[N];   int L[N], R[N], vis[N];   int first[N], second[N], b[N];   vector<int> g1[N], g2[N];   int main() {     scanf( %d%d%d , &n, &m, &k);     for (int i = 1; i <= n; ++i) {       scanf( %d , a + i);       if (a[i])         L[i] = R[i] = a[i];       else         L[i] = 1, R[i] = k;     }     for (int i = 1; i <= m; ++i) {       scanf( %d%d , first + i, second + i);       g2[first[i]].push_back(second[i]), ++deg2[second[i]];       g1[second[i]].push_back(first[i]), ++deg1[first[i]];     }     queue<int> q;     for (int i = 1; i <= n; ++i)       if (!deg1[i]) q.push(i);     int cnt = 0;     while (q.size()) {       int u = q.front();       q.pop();       if (L[u] > R[u]) return puts( -1 ), 0;       ++cnt;       for (auto &v : g1[u]) {         L[v] = max(L[v], L[u] + 1);         if (!--deg1[v]) q.push(v);       }     }     if (cnt != n) return puts( -1 ), 0;     for (int i = 1; i <= n; ++i)       if (!deg2[i]) q.push(i);     while (q.size()) {       int u = q.front();       q.pop();       if (L[u] > R[u]) return puts( -1 ), 0;       for (auto &v : g2[u]) {         R[v] = min(R[v], R[u] - 1);         if (!--deg2[v]) q.push(v);       }     }     for (int i = 1; i <= n; ++i) b[i] = i;     sort(b + 1, b + 1 + n, [](int a, int b) { return L[a] < L[b]; });     int now = 1;     set<pair<int, int> > s;     for (int i = 1; i <= k; ++i) {       while (now <= n && L[b[now]] <= i) {         s.insert(pair<int, int>(R[b[now]], b[now]));         ++now;       }       int ok = 0;       while (s.size()) {         int id = s.begin()->second;         if (ok && R[id] > i) break;         ok = 1;         s.erase(s.begin());         a[id] = i;       }       if (!ok) return puts( -1 ), 0;     }     for (int i = 1; i <= n; ++i) printf( %d  , a[i] ? a[i] : L[i]);     putchar(10);   }   