int main()
{
#ifdef LOCAL
// freopen("1008.in", "r", stdin);
// freopen("out.txt", "w", stdout);
#endif
int T;
scanf("%d", &T);
for(int ck=1; ck<=T; ck++)
{
scanf("%d%d", &N, &M);
for(int i=1; i<=N; i++) scanf("%d", &A[i]);
tree.len=N;
tree.build();
for(int i=1,opt,l,r,x; i<=M; i++)
{
scanf("%d%d%d", &opt, &l, &r);
if(opt==1) {scanf("%d", &x); tree.add(l,r,x);}
if(opt==2) {tree.rsqrt(l,r);}
if(opt==3) {printf("%lld\n", tree.sum(l,r));}
// PCUT;
}
}
return 0;
}
int main()
{
ifstream fin("sum.in");
ofstream fout("sum.out");
int n = 0, k = 0;
fin >> n >> k;
int *values = new int[n];
for (int i = 0; i < n; i++)
{
values[i] = 0;
}
SegmentTree rsq = SegmentTree(n, values);
for (int i = 0; i < k; i++)
{
char c;
int a, b;
fin >> c >> a >> b;
if (c == 'A')
rsq.update(a - 1, b);
else
fout << rsq.sum(a - 1, b - 1) << "\n";
}
return 0;
}