結果
問題 | No.230 Splarraay スプラレェーイ |
ユーザー | Min_25 |
提出日時 | 2016-07-18 19:00:40 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
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 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 4 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 24 ms
5,248 KB |
testcase_10 | AC | 21 ms
5,248 KB |
testcase_11 | AC | 16 ms
5,248 KB |
testcase_12 | AC | 24 ms
5,248 KB |
testcase_13 | AC | 5 ms
5,248 KB |
testcase_14 | AC | 16 ms
5,888 KB |
testcase_15 | AC | 34 ms
6,016 KB |
testcase_16 | AC | 43 ms
5,888 KB |
testcase_17 | AC | 49 ms
5,888 KB |
testcase_18 | AC | 31 ms
5,888 KB |
testcase_19 | AC | 35 ms
5,632 KB |
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; }