結果
| 問題 |
No.2065 Sum of Min
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-09-02 22:46:29 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 221 ms / 2,000 ms |
| コード長 | 2,828 bytes |
| コンパイル時間 | 1,186 ms |
| コンパイル使用メモリ | 132,808 KB |
| 実行使用メモリ | 25,748 KB |
| 最終ジャッジ日時 | 2024-06-22 16:11:42 |
| 合計ジャッジ時間 | 8,359 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 20 |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;
class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }
bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }
int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }
void bAdd(T)(T[] bit, int pos, T val)
in {
assert(0 <= pos && pos < bit.length, "bAdd: 0 <= pos < |bit| must hold");
}
do {
for (int x = pos; x < bit.length; x |= x + 1) {
bit[x] += val;
}
}
// sum of [0, pos)
T bSum(T)(T[] bit, int pos)
in {
assert(0 <= pos && pos <= bit.length, "bSum: 0 <= pos <= |bit| must hold");
}
do {
T ret = 0;
for (int x = pos - 1; x >= 0; x = (x & (x + 1)) - 1) {
ret += bit[x];
}
return ret;
}
void main() {
try {
for (; ; ) {
const N = readInt;
const Q = readInt;
auto A = new long[N];
foreach (i; 0 .. N) {
A[i] = readLong;
}
auto L = new int[Q];
auto R = new int[Q];
auto X = new long[Q];
foreach (q; 0 .. Q) {
L[q] = readInt - 1;
R[q] = readInt;
X[q] = readLong;
}
alias Entry = Tuple!(long, "val", int, "key");
Entry[] es;
foreach (i; 0 .. N) {
es ~= Entry(A[i], i);
}
foreach (q; 0 .. Q) {
es ~= Entry(X[q], N + q);
}
es.sort;
auto ans = new long[Q];
auto bit0 = new long[N];
auto bit1 = new long[N];
foreach (ref e; es) {
if (e.key < N) {
const i = e.key;
bit0.bAdd(i, 1);
bit1.bAdd(i, A[i]);
} else {
const q = e.key - N;
const sum0 = bit0.bSum(R[q]) - bit0.bSum(L[q]);
const sum1 = bit1.bSum(R[q]) - bit1.bSum(L[q]);
ans[q] += sum1;
ans[q] += ((R[q] - L[q]) - sum0) * X[q];
}
}
foreach (q; 0 .. Q) {
writeln(ans[q]);
}
}
} catch (EOFException e) {
}
}