結果
| 問題 |
No.2640 traO Stamps
|
| コンテスト | |
| ユーザー |
Forested
|
| 提出日時 | 2024-02-19 21:29:27 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 77 ms / 2,000 ms |
| コード長 | 7,250 bytes |
| コンパイル時間 | 2,200 ms |
| コンパイル使用メモリ | 203,200 KB |
| 最終ジャッジ日時 | 2025-02-19 16:37:34 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 33 |
ソースコード
#ifndef LOCAL
#define FAST_IO
#endif
// ============
#include <bits/stdc++.h>
#define OVERRIDE(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i)
#define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i)
#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER2(i, n) for (i32 i = (i32)(n)-1; i >= 0; --i)
#define PER3(i, m, n) for (i32 i = (i32)(n)-1; i >= (i32)(m); --i)
#define PER(...) OVERRIDE(__VA_ARGS__, PER3, PER2)(__VA_ARGS__)
#define ALL(x) begin(x), end(x)
#define LEN(x) (i32)(x.size())
using namespace std;
using u32 = unsigned int;
using u64 = unsigned long long;
using i32 = signed int;
using i64 = signed long long;
using f64 = double;
using f80 = long double;
using pi = pair<i32, i32>;
using pl = pair<i64, i64>;
template <typename T>
using V = vector<T>;
template <typename T>
using VV = V<V<T>>;
template <typename T>
using VVV = V<V<V<T>>>;
template <typename T>
using VVVV = V<V<V<V<T>>>>;
template <typename T>
using PQR = priority_queue<T, V<T>, greater<T>>;
template <typename T>
bool chmin(T &x, const T &y) {
if (x > y) {
x = y;
return true;
}
return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
if (x < y) {
x = y;
return true;
}
return false;
}
template <typename T>
i32 lob(const V<T> &arr, const T &v) {
return (i32)(lower_bound(ALL(arr), v) - arr.begin());
}
template <typename T>
i32 upb(const V<T> &arr, const T &v) {
return (i32)(upper_bound(ALL(arr), v) - arr.begin());
}
template <typename T>
V<i32> argsort(const V<T> &arr) {
V<i32> ret(arr.size());
iota(ALL(ret), 0);
sort(ALL(ret), [&](i32 i, i32 j) -> bool {
if (arr[i] == arr[j]) {
return i < j;
} else {
return arr[i] < arr[j];
}
});
return ret;
}
#ifdef INT128
using u128 = __uint128_t;
using i128 = __int128_t;
#endif
[[maybe_unused]] constexpr i32 INF = 1000000100;
[[maybe_unused]] constexpr i64 INF64 = 3000000000000000100;
struct SetUpIO {
SetUpIO() {
#ifdef FAST_IO
ios::sync_with_stdio(false);
cin.tie(nullptr);
#endif
cout << fixed << setprecision(15);
}
} set_up_io;
void scan(char &x) { cin >> x; }
void scan(u32 &x) { cin >> x; }
void scan(u64 &x) { cin >> x; }
void scan(i32 &x) { cin >> x; }
void scan(i64 &x) { cin >> x; }
void scan(string &x) { cin >> x; }
template <typename T>
void scan(V<T> &x) {
for (T &ele : x) {
scan(ele);
}
}
void read() {}
template <typename Head, typename... Tail>
void read(Head &head, Tail &...tail) {
scan(head);
read(tail...);
}
#define CHAR(...) \
char __VA_ARGS__; \
read(__VA_ARGS__);
#define U32(...) \
u32 __VA_ARGS__; \
read(__VA_ARGS__);
#define U64(...) \
u64 __VA_ARGS__; \
read(__VA_ARGS__);
#define I32(...) \
i32 __VA_ARGS__; \
read(__VA_ARGS__);
#define I64(...) \
i64 __VA_ARGS__; \
read(__VA_ARGS__);
#define STR(...) \
string __VA_ARGS__; \
read(__VA_ARGS__);
#define VEC(type, name, size) \
V<type> name(size); \
read(name);
#define VVEC(type, name, size1, size2) \
VV<type> name(size1, V<type>(size2)); \
read(name);
// ============
#ifdef DEBUGF
#else
#define DBG(...) (void)0
#endif
// ============
#include <cassert>
#include <vector>
// ============
#include <algorithm>
#include <limits>
#include <utility>
template <typename T>
struct Add {
using Value = T;
static Value id() { return T(0); }
static Value op(const Value &lhs, const Value &rhs) { return lhs + rhs; }
static Value inv(const Value &x) { return -x; }
};
template <typename T>
struct Mul {
using Value = T;
static Value id() { return Value(1); }
static Value op(const Value &lhs, const Value &rhs) { return lhs * rhs; }
static Value inv(const Value &x) { return Value(1) / x; }
};
template <typename T>
struct Min {
static_assert(std::numeric_limits<T>::is_specialized);
using Value = T;
static Value id() { return std::numeric_limits<T>::max(); }
static Value op(const Value &lhs, const Value &rhs) {
return std::min(lhs, rhs);
}
};
template <typename T>
struct Max {
static_assert(std::numeric_limits<T>::is_specialized);
using Value = T;
static Value id() { return std::numeric_limits<Value>::min(); }
static Value op(const Value &lhs, const Value &rhs) {
return std::max(lhs, rhs);
}
};
template <typename T>
struct Xor {
using Value = T;
static Value id() { return T(0); }
static Value op(const Value &lhs, const Value &rhs) { return lhs ^ rhs; }
static Value inv(const Value &x) { return x; }
};
template <typename Monoid>
struct Reversible {
using Value = std::pair<typename Monoid::Value, typename Monoid::Value>;
static Value id() { return Value(Monoid::id(), Monoid::id()); }
static Value op(const Value &v1, const Value &v2) {
return Value(Monoid::op(v1.first, v2.first),
Monoid::op(v2.second, v1.second));
}
};
// ============
template <typename CommutativeGroup>
class FenwickTree {
public:
using Value = typename CommutativeGroup::Value;
private:
std::vector<Value> data;
public:
FenwickTree(int n) : data(n, CommutativeGroup::id()) {}
void add(int idx, const Value &x) {
assert(idx >= 0 && idx < (int)data.size());
for (; idx < (int)data.size(); idx |= idx + 1) {
data[idx] = CommutativeGroup::op(data[idx], x);
}
}
Value sum(int r) const {
assert(r >= 0 && r <= (int)data.size());
Value ret = CommutativeGroup::id();
for (; r > 0; r &= r - 1) {
ret = CommutativeGroup::op(ret, data[r - 1]);
}
return ret;
}
Value sum(int l, int r) const {
assert(l >= 0 && l <= r && r <= (int)data.size());
return CommutativeGroup::op(sum(r), CommutativeGroup::inv(sum(l)));
}
};
template <typename T>
using FenwickTreeAdd = FenwickTree<Add<T>>;
// ============
void solve() {
I32(n, m, k);
VEC(i32, s, k + 1);
REP(i, k + 1) {
--s[i];
}
VV<i64> dist(n, V<i64>(n, INF64));
REP(i, n) {
dist[i][i] = 0;
}
REP(i, m) {
I32(a, b);
I64(c);
--a;
--b;
chmin(dist[a][b], c);
chmin(dist[b][a], c);
}
REP(l, n) REP(i, n) REP(j, n) {
chmin(dist[i][j], dist[i][l] + dist[l][j]);
}
FenwickTreeAdd<i64> fw(k);
REP(i, k) {
fw.add(i, dist[s[i]][s[i + 1]]);
}
I32(q);
REP(qi, q) {
I32(ty);
if (ty == 1) {
I32(x, y);
--y;
if (x != 0) {
fw.add(x - 1, -dist[s[x - 1]][s[x]]);
}
if (x != k) {
fw.add(x, -dist[s[x]][s[x + 1]]);
}
s[x] = y;
if (x != 0) {
fw.add(x - 1, dist[s[x - 1]][s[x]]);
}
if (x != k) {
fw.add(x, dist[s[x]][s[x + 1]]);
}
} else {
I32(x, y);
cout << fw.sum(x, y) << '\n';
}
}
}
int main() {
i32 t = 1;
// cin >> t;
while (t--) {
solve();
}
}
Forested