int main(int argc, char *argv[]) {
cin.tie(0);
ios::sync_with_stdio(false);
const double pi = 2 * acos(0.0);
while (scanf("%d%d", &N, &C) != EOF) {
REP(i, N) scanf("%d", L+i);
REP(i, C) scanf("%d%d", S+i, A+i);
double prv[10000];
SegmentTree T;
T.init(0,0,N);
for (int i = 1; i < N; ++i) prv[i] = pi;
REP(i, C) {
int s = S[i];
double a = (A[i] / 360.0) * 2 * pi;
T.change(s, a-prv[s], 0, 0, N);
prv[s] = a;
printf("%.2f %.2f\n", T.vx[0], T.vy[0]);
}
puts("");
}
int main(){
//Treap::Node* test = Treap::nil;
//Treap::insert(test, 1);
//cout << Treap::getRank(test, 2) << endl;
scanf("%d", &TestNum);
while (TestNum--){
scanf("%d", &n);
int m; scanf("%d", &m);
for (int i = 0; i < n; i++) scanf("%d", &a[i]);
SegmentTree::Node root(0, n - 1);
tree.init(root);
while (m--){
char buf[32]; scanf("%s", buf);
if (buf[0] == 'Q'){
int i, j, k; scanf("%d %d %d", &i, &j, &k);
printf("%d\n", getKth(i - 1, j - 1, k - 1));
}else{
int i, t; scanf("%d %d", &i, &t);
tree.gao(i -1 , i - 1).update(root, a[i - 1], t);
a[i - 1] = t;
}
//printf("new_cnt: %d\n", new_cnt);
}
tree.clear(root);
//printf("new_cnt: %d\n", new_cnt);
assert(new_cnt == 0);
//len = 1;
}
}
int main() {
int x[] = {4, 2, 19, 24, 11, -1, 100, 32};
int size = sizeof(x) / sizeof(x[0]);
SegmentTree seg;
seg.init(size);
rep(i, size) {
seg.update(i, x[i]);
}
int main()
{
node identity;
identity.val = -1;
SegmentTree<node> s;
int n , k;
scanf( "%d" , &n );
vector<node> v( n );
for ( int i = 0; i < n; ++i )
{
int x;
scanf( "%d" , &x );
v[ i ].val = x;
}
scanf( "%d" , &k );
s.init( v , identity );
for ( int i = 0; i <= n - k; ++i )
printf( "%d " , s.rangeQuery( i , i + k-1 ).val );
return 0;
}
int countRangeSum(vector<int>& nums, int lower, int upper) {
if(nums.empty()) return 0;
int n = (int)nums.size();
vector<long> sums;
set<long> values;
long sum = 0L;
for(int i = 0; i < (int)nums.size(); ++i) {
sum += nums[i];
values.insert(sum);
}
for(auto it = values.begin(); it != values.end(); ++it) {
sums.push_back(*it);
}
int result = 0;
SegmentTree segmentTree;
segmentTree.init(sums);
for(int i = n - 1; i >= 0; --i) {
segmentTree.update(sum);
sum -= nums[i];
result += segmentTree.query(lower + sum, upper + sum);
}
return result;
}