結果
| 問題 |
No.230 Splarraay スプラレェーイ
|
| コンテスト | |
| ユーザー |
Min_25
|
| 提出日時 | 2016-07-18 19:00:40 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 49 ms / 5,000 ms |
| コード長 | 6,238 bytes |
| コンパイル時間 | 1,526 ms |
| コンパイル使用メモリ | 98,700 KB |
| 実行使用メモリ | 6,016 KB |
| 最終ジャッジ日時 | 2024-10-15 17:03:47 |
| 合計ジャッジ時間 | 3,093 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
ソースコード
#pragma GCC optimize ("O3")
// #pragma GCC target ("avx")
#pragma GCC target ("sse4") // SPOJ, codechef
#include <cstdio>
#include <cassert>
#include <cmath>
#include <cstring>
#include <iostream>
#include <algorithm>
#include <vector>
#include <map>
#include <set>
#include <functional>
#include <tuple>
#define _rep(_1, _2, _3, _4, name, ...) name
#define rep2(i, n) rep3(i, 0, n)
#define rep3(i, a, b) rep4(i, a, b, 1)
#define rep4(i, a, b, c) for (int i = int(a); i < int(b); i += int(c))
#define rep(...) _rep(__VA_ARGS__, rep4, rep3, rep2, _)(__VA_ARGS__)
using namespace std;
using i64 = long long;
using u8 = unsigned char;
using u32 = unsigned;
using u64 = unsigned long long;
using f80 = long double;
struct SegmentTree {
struct Node {
int cnts[2];
int color;
};
using elem = Node;
SegmentTree(int n) : size_(n) {
tree = new elem[2 * size_];
}
~SegmentTree() { delete [] tree; }
void build() {
rep(i, 2 * size_) tree[i] = {{0, 0}, -1};
}
void apply(int k) {
int ks[30], ki = 0, b = 1;
for (k >>= 1; k >= 1; k >>= 1, b <<= 1) ks[ki++] = k;
for (; ki; b >>= 1) {
int k = ks[--ki];
if (tree[k].color >= 0) {
tree[k].cnts[tree[k].color ^ 0] = b;
tree[k].cnts[tree[k].color ^ 1] = 0;
tree[2 * k + 0].color = tree[k].color;
tree[2 * k + 1].color = tree[k].color;
tree[k].color = -1;
}
}
}
inline void update_count(int cnts[2], int k, int b) {
if (tree[k].color >= 0) cnts[tree[k].color] += b;
else cnts[0] += tree[k].cnts[0], cnts[1] += tree[k].cnts[1];
}
inline void fix(int k) {
int b = 1;
for (k >>= 1; k >= 1; k >>= 1, b <<= 1) {
int cnts[2] = {};
update_count(cnts, 2 * k + 0, b);
update_count(cnts, 2 * k + 1, b);
tree[k].cnts[0] = cnts[0];
tree[k].cnts[1] = cnts[1];
}
}
void update(int l, int r, int col) {
int l_back = l += size_;
int r_back = r += size_;
apply(l); apply(r - 1);
for (; l < r; l >>= 1, r >>= 1) {
if (l & 1) tree[l++].color = col;
if (r & 1) tree[--r].color = col;
}
fix(l_back); fix(r_back - 1);
}
pair<int, int> query(int l, int r) {
l += size_;
r += size_;
apply(l); apply(r - 1);
int cnts[2] = {0, 0};
for (int b = 1; l < r; l >>= 1, r >>= 1, b <<= 1) {
if (l & 1) update_count(cnts, l++, b);
if (r & 1) update_count(cnts, --r, b);
}
return {cnts[0], cnts[1]};
}
int size_;
elem* tree;
};
class IO {
enum { E = 3, N = 1000, SIZE = 1 << 14 };
public:
IO() : ii(SIZE), oi(0) { init(); }
~IO() { if (oi) flush(oi); }
void init() {
rep(i, N) {
int n = i, l = 1;
rep(j, E) num[i][E - 1 - j] = n % 10 + '0', n /= 10, l += n > 0;
offsets[i] = E - l;
}
}
char rchar() {
if (ii == SIZE) {
ii = 0;
int s = fread(in, 1, SIZE, stdin);
if (s < SIZE) fill(in + s, in + SIZE, EOF);
}
return in[ii++];
}
int read_int() {
char c;
int ret = 0, sign = 0;
while ((c = rchar()) < '-') {
if (c == EOF) return -1;
}
if (c == '-') sign = 1;
else ret = c - '0';
while ((c = rchar()) >= '0') ret = ret * 10 + c - '0';
return sign ? -ret : ret;
}
i64 read_i64() {
char c;
i64 ret = 0;
while ((c = rchar()) < '0');
ret = c - '0';
while ((c = rchar()) >= '0') ret = ret * 10 + c - '0';
return ret;
}
u32 read_u32() {
char c;
u32 ret = 0;
while ((c = rchar()) < '0');
ret = c - '0';
while ((c = rchar()) >= '0') ret = ret * 10 + c - '0';
return ret;
}
void write_u32(u32 n, bool nl=true) {
const u32 ten9 = 1e9;
if (n >= ten9) {
wchar('0' + n / ten9); n %= ten9;
u32 q = n / 1000000; n %= 1000000;
rep(i, 3) wchar(num[q][i]);
q = n / 1000; n %= 1000;
rep(i, 3) wchar(num[q][i]);
rep(i, 3) wchar(num[n][i]);
} else if (n >= u32(1e6)) {
u32 q = n / 1000000; n %= 1000000;
rep(i, offsets[q], 3) wchar(num[q][i]);
q = n / 1000; n %= 1000;
rep(i, 3) wchar(num[q][i]);
rep(i, 3) wchar(num[n][i]);
} else if (n >= u32(1e3)) {
u32 q = n / 1000; n %= 1000;
rep(i, offsets[q], 3) wchar(num[q][i]);
rep(i, 3) wchar(num[n][i]);
} else {
rep(i, offsets[n], 3) wchar(num[n][i]);
}
if (nl) wchar('\n');
}
void write_int(int n, bool nl=true) {
if (n < 0) {
n = -n;
wchar('-');
}
write_u32(n, nl);
}
void write_u32z(u32 n) {
u32 q = n / 1000000; n %= 1000000;
rep(i, 3) wchar(num[q][i]);
q = n / 1000; n %= 1000;
rep(i, 3) wchar(num[q][i]);
rep(i, 3) wchar(num[n][i]);
}
void write_u64(u64 n, bool nl=true) {
static const u64 t18 = u64(1e18);
static const u32 t9 = u32(1e9);
if (n >= t18) {
wchar('0' + n / t18); n %= t18;
write_u32z(n / t9);
write_u32z(n % t9);
} else if (n >= t9) {
write_u32(n / t9, false);
write_u32z(n % t9);
} else {
write_u32(n, false);
}
if (nl) wchar('\n');
}
void write_i64(i64 n, bool nl=true) {
if (n < 0) {
n = -n;
wchar('-');
}
printf("%lld\n", n);
write_u64(n, nl);
}
void wchar(char c) {
out[oi++] = c;
if (oi == SIZE) flush(oi);
}
void wstr(const char* str, int len) { rep(i, len) wchar(str[i]); }
void flush(int size) { fwrite(out, 1, size, stdout); oi = 0; }
int ii, oi;
int offsets[N];
char num[N][E], in[SIZE], out[SIZE];
} io;
void solve() {
int N;
while (~(N = io.read_int())) {
auto tree = SegmentTree(N);
tree.build();
int Q = io.read_int();
i64 a = 0, b = 0;
rep(i, Q) {
int c = io.read_int();
int l = io.read_int();
int r = io.read_int() + 1;
if (c >= 1) {
tree.update(l, r, c - 1);
} else {
auto p = tree.query(l, r);
if (p.first > p.second) a += p.first;
else if (p.first < p.second) b += p.second;
}
}
auto p = tree.query(0, N);
a += p.first;
b += p.second;
printf("%lld %lld\n", a, b);
}
}
int main() {
clock_t beg = clock();
solve();
clock_t end = clock();
fprintf(stderr, "%.3f sec\n", double(end - beg) / CLOCKS_PER_SEC);
return 0;
}
Min_25