int solve(int source, int sink)
{
sap.init(n + 2);
int tot = 0;
upper[sink][source] = inf;
lower[sink][source] = 0;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (upper[i][j] < lower[i][j]) return -1;
sap.addCap(i, j, upper[i][j] - lower[i][j]);
sap.addCap(n, j, lower[i][j]);
sap.addCap(i, n + 1, lower[i][j]);
tot += lower[i][j];
}
}
if (sap.solve(n, n + 1) != tot) return -1;
sap.solve(source, sink);
for (int i = 0; i < n; i++)
for (int j = 0; j < n; j++)
flow[i][j] = upper[i][j] - sap.cap[i][j];
tot = 0;
for (int i = 0; i < n; i++)
tot += flow[source][i];
return tot;
}
int main()
{
int Test;
scanf("%d", &Test);
while (Test--) {
cin >> N >> M;
int source = 0, sink = N + M + 1;
sap.init(N + M + 2);
for (int i = 1; i <= N; i++)
{
int t;
cin >> t;
sap.addCap(M + i, sink, t);
}
int Sum = 0;
for (int i = 1; i <= M; i++)
{
int a, b, c;
cin >> a >> b >> c;
sap.addCap(i, M + a, inf);
sap.addCap(i, M + b, inf);
sap.addCap(source, i, c);
Sum += c;
}
int tmp = sap.solve(source, sink);
cout << Sum - tmp << endl;
}
return 0;
}
int main()
{
freopen("a", "r", stdin);
int t, n, m;
cin >> t;
while (t--)
{
cin >> n >> m;
sap.init(2 * n + 2);
int source = 2 * n, sink = 2 * n + 1;
int tmp;
for (int i = 0; i < n; i++)
{
cin >> tmp;
sap.addCap(n + i, sink, tmp);
}
for (int i = 0; i < n; i++)
{
cin >> tmp;
sap.addCap(source, i, tmp);
}
int a, b;
for (int i = 0; i < m; i++)
{
cin >> a >> b;
a--; b--;
sap.cap[a][n + b] = inf;
}
cout << sap.solve(source, sink) << endl;
sap.output(source, sink);
if (t > 0) cout << endl;
}
return 0;
}
bool Check(long long lim)
{
sap.init(2 * N + 2);
int source = 0, sink = 2 * N + 1;
for (int i = 1; i <= N; i++)
{
sap.addCap(source, i, a[i]);
sap.addCap(N + i, sink, b[i]);
}
for (int i = 1; i <= N; i++)
for (int j = 1; j <= N; j++)
if (dis[i][j] <= lim)
{
sap.addCap(i, N + j, inf);
sap.addCap(j, N + i, inf);
}
int maxflow = sap.solve(source, sink);
return maxflow == tot;
}
int main()
{
freopen("a", "r", stdin);
while (scanf("%d%d", &N, &M) != EOF)
{
int source = 0, sink = N - 1;
sap.init(N);
for (int i = 1; i <= M; i++)
{
int u, v, w;
scanf("%d%d%d", &u, &v, &w);
sap.addCap(u, v, w);
}
int tmp = sap.solve(source, sink);
sap.dfs1(source);
sap.dfs2(sink);
sap.output();
}
return 0;
}
int main()
{
freopen("a", "r", stdin);
int T;
scanf("%d", &T);
while (T--)
{
scanf("%d%d", &M, &N);
int source = M, sink = N;
sap.init(M + 1);
for (int i = 0; i < M; i++)
{
char str[10];
int num;
scanf("%s %d\n", str, &num);
if (str[0] == 'I')
{
sap.addCap(source, i, inf);
//cout << "source " << i << " " << inf << endl;
}
for (int j = 1; j <= num; j++)
{
int k;
scanf("%d", &k);
sap.addCap(i, k, inf);
sap.addCap(k, i, 1);
//cout << i << " " << k << " " << inf << endl;
//cout << k << " " << i << " " << 1 << endl;
}
}
int tmp = sap.solve(source, sink);
if (tmp >= inf) printf("PANIC ROOM BREACH\n");
else printf("%d\n", tmp);
}
return 0;
}