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0_0_33274304_7225.c:1:631: fatal error: bits/stdc++.h: No such file or directory
 /* HDU3140 Money Matters */ #include <bits/stdc++.h> using namespace std; const int N = 10000; int f[N], w[N]; void UFInit(int n) { for(int i = 0; i < n; i++) f[i] = i; } int Find(int a) { return a == f[a] ? a : f[a] = Find(f[a]); } void Union(int a, int b) { a = Find(a); b = Find(b); if (a != b) { f[a] = b; w[b] += w[a]; } } int main() { int n, m; while(~scanf("%d%d", &n, &m)) { UFInit(n); for(int i = 0; i < n; i++) scanf("%d", &w[i]); for(int i = 0; i < m; i++) { int u, v; scanf("%d%d", &u, &v); Union(u, v); } int i; for(i = 0; i < n; i++) if(w[Find(i)] != 0) break; puts(i == n ? "POSSIBLE" : "IMPOSSIBLE"); } return 0; }
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compilation terminated.