This documentation is automatically generated by online-judge-tools/verification-helper
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_A"
#include "../../template/template.hpp"
#include "../../structure/segment-tree/segment-tree.hpp"
int main() {
int N, Q;
scanf("%d %d", &N, &Q);
auto seg = get_segment_tree(N, [](int a, int b) { return min(a, b); }, INT_MAX);
while(Q--) {
int T, X, Y;
scanf("%d %d %d", &T, &X, &Y);
if(T == 0) seg.set(X, Y);
else printf("%d\n", seg.prod(X, Y + 1));
}
}
#line 1 "test/verify/aoj-dsl-2-a.test.cpp"
#define PROBLEM "http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_A"
#line 1 "template/template.hpp"
#include<bits/stdc++.h>
using namespace std;
using int64 = long long;
const int mod = 1e9 + 7;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
os << p.first << " " << p.second;
return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
is >> p.first >> p.second;
return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
for(int i = 0; i < (int) v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
for(T &in : v) is >> in;
return is;
}
template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
template< typename T = int64 >
vector< T > make_v(size_t a) {
return vector< T >(a);
}
template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}
template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
t = v;
}
template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
for(auto &e : t) fill_v(e, v);
}
template< typename F >
struct FixPoint : F {
explicit FixPoint(F &&f) : F(forward< F >(f)) {}
template< typename... Args >
decltype(auto) operator()(Args &&... args) const {
return F::operator()(*this, forward< Args >(args)...);
}
};
template< typename F >
inline decltype(auto) MFP(F &&f) {
return FixPoint< F >{forward< F >(f)};
}
#line 4 "test/verify/aoj-dsl-2-a.test.cpp"
#line 1 "structure/segment-tree/segment-tree.hpp"
/**
* @brief Segment Tree(セグメント木)
* @docs docs/segment-tree.md
*/
template< typename T, typename F >
struct SegmentTree {
int n, sz;
vector< T > seg;
const F f;
const T ti;
SegmentTree() = default;
explicit SegmentTree(int n, const F f, const T &ti) : n(n), f(f), ti(ti) {
sz = 1;
while(sz < n) sz <<= 1;
seg.assign(2 * sz, ti);
}
explicit SegmentTree(const vector< T > &v, const F f, const T &ti) :
SegmentTree((int) v.size(), f, ti) {
build(v);
}
void build(const vector< T > &v) {
assert(n == (int) v.size());
for(int k = 0; k < n; k++) seg[k + sz] = v[k];
for(int k = sz - 1; k > 0; k--) {
seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
}
}
void set(int k, const T &x) {
k += sz;
seg[k] = x;
while(k >>= 1) {
seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
}
}
T get(int k) const {
return seg[k + sz];
}
T operator[](const int &k) const {
return get(k);
}
void apply(int k, const T &x) {
k += sz;
seg[k] = f(seg[k], x);
while(k >>= 1) {
seg[k] = f(seg[2 * k + 0], seg[2 * k + 1]);
}
}
T prod(int l, int r) const {
T L = ti, R = ti;
for(l += sz, r += sz; l < r; l >>= 1, r >>= 1) {
if(l & 1) L = f(L, seg[l++]);
if(r & 1) R = f(seg[--r], R);
}
return f(L, R);
}
T all_prod() const {
return seg[1];
}
template< typename C >
int find_first(int l, const C &check) const {
if(l >= n) return n;
l += sz;
T sum = ti;
do {
while((l & 1) == 0) l >>= 1;
if(check(f(sum, seg[l]))) {
while(l < sz) {
l <<= 1;
auto nxt = f(sum, seg[l]);
if(not check(nxt)) {
sum = nxt;
l++;
}
}
return l + 1 - sz;
}
sum = f(sum, seg[l++]);
} while((l & -l) != l);
return n;
}
template< typename C >
int find_last(int r, const C &check) const {
if(r <= 0) return -1;
r += sz;
T sum = ti;
do {
r--;
while(r > 1 and (r & 1)) r >>= 1;
if(check(f(seg[r], sum))) {
while(r < sz) {
r = (r << 1) + 1;
auto nxt = f(seg[r], sum);
if(not check(nxt)) {
sum = nxt;
r--;
}
}
return r - sz;
}
sum = f(seg[r], sum);
} while((r & -r) != r);
return -1;
}
};
template< typename T, typename F >
SegmentTree< T, F > get_segment_tree(int N, const F &f, const T &ti) {
return SegmentTree{N, f, ti};
}
template< typename T, typename F >
SegmentTree< T, F > get_segment_tree(const vector< T > &v, const F &f, const T &ti) {
return SegmentTree{v, f, ti};
}
#line 6 "test/verify/aoj-dsl-2-a.test.cpp"
int main() {
int N, Q;
scanf("%d %d", &N, &Q);
auto seg = get_segment_tree(N, [](int a, int b) { return min(a, b); }, INT_MAX);
while(Q--) {
int T, X, Y;
scanf("%d %d %d", &T, &X, &Y);
if(T == 0) seg.set(X, Y);
else printf("%d\n", seg.prod(X, Y + 1));
}
}