結果
問題 | No.230 Splarraay スプラレェーイ |
ユーザー | anta |
提出日時 | 2015-06-19 22:48:57 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,713 bytes |
コンパイル時間 | 982 ms |
コンパイル使用メモリ | 95,792 KB |
実行使用メモリ | 7,764 KB |
最終ジャッジ日時 | 2024-07-07 04:08:56 |
合計ジャッジ時間 | 2,085 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 1 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 6 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 38 ms
5,504 KB |
testcase_10 | AC | 39 ms
5,376 KB |
testcase_11 | AC | 23 ms
5,376 KB |
testcase_12 | AC | 39 ms
6,940 KB |
testcase_13 | AC | 8 ms
6,944 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 72 ms
7,764 KB |
testcase_17 | AC | 84 ms
7,764 KB |
testcase_18 | AC | 52 ms
7,760 KB |
testcase_19 | AC | 54 ms
7,744 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:200:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 200 | scanf("%d%d%d", &x, &l, &r), ++ r; | ~~~~~^~~~~~~~~~~~~~~~~~~~~~
ソースコード
#include <string> #include <vector> #include <algorithm> #include <numeric> #include <set> #include <map> #include <queue> #include <iostream> #include <sstream> #include <cstdio> #include <cmath> #include <ctime> #include <cstring> #include <cctype> #include <cassert> #include <limits> #include <functional> #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) #if defined(_MSC_VER) || __cplusplus > 199711L #define aut(r,v) auto r = (v) #else #define aut(r,v) __typeof(v) r = (v) #endif #define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it) #define all(o) (o).begin(), (o).end() #define pb(x) push_back(x) #define mp(x,y) make_pair((x),(y)) #define mset(m,v) memset(m,v,sizeof(m)) #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL using namespace std; typedef vector<int> vi; typedef pair<int,int> pii; typedef vector<pair<int,int> > vpii; typedef long long ll; template<typename T, typename U> inline void amin(T &x, U y) { if(y < x) x = y; } template<typename T, typename U> inline void amax(T &x, U y) { if(x < y) x = y; } const int K = 3; typedef int Val; struct Sum { int cnt[K]; Sum() { rep(k, K) cnt[k] = 0; } Sum(const Val &val, int pos) { rep(k, K) cnt[k] = 0; cnt[val] = 1; } Sum &operator+=(const Sum &that) { rep(k, K) cnt[k] += that.cnt[k]; return *this; } Sum operator+(const Sum &that) const { return Sum(*this) += that; } }; struct Add { bool a; Val col; Add(): a(false), col(-1) { } explicit Add(Val c): a(true), col(c) { } Add &operator+=(const Add &that) { if(that.a) *this = that; return *this; } void addToVal(Val &val, int pos) const { if(a) val = col; } void addToSum(Sum &sum, int left, int right) const { if(a) { rep(k, K) sum.cnt[k] = 0; sum.cnt[col] = right - left; } } }; struct SegmentTree { vector<Val> leafs; vector<Sum> nodes; vector<Add> add; vector<int> leftpos, rightpos; int n, n2; void init(int n_, const Val &v = Val()) { init(vector<Val>(n_, v)); } void init(const vector<Val> &u) { n = 1; while(n < (int)u.size()) n *= 2; n2 = (n - 1) / 2 + 1; leafs = u; leafs.resize(n, Val()); nodes.resize(n); for(int i = n-1; i >= n2; -- i) nodes[i] = Sum(leafs[i*2-n], i*2-n) + Sum(leafs[i*2+1-n], i*2+1-n); for(int i = n2-1; i > 0; -- i) nodes[i] = nodes[i*2] + nodes[i*2+1]; add.assign(n, Add()); leftpos.resize(n); rightpos.resize(n); for(int i = n-1; i >= n2; -- i) { leftpos[i] = i*2-n; rightpos[i] = (i*2+1-n) + 1; } for(int i = n2-1; i > 0; -- i) { leftpos[i] = leftpos[i*2]; rightpos[i] = rightpos[i*2+1]; } } Val get(int i) { int indices[128]; int k = getIndices(indices, i, i+1); propagateRange(indices, k); return leafs[i]; } Sum getRangeCommutative(int i, int j) { int indices[128]; int k = getIndices(indices, i, j); propagateRange(indices, k); Sum res = Sum(); for(int l = i + n, r = j + n; l < r; l >>= 1, r >>= 1) { if(l & 1) res += sum(l ++); if(r & 1) res += sum(-- r); } return res; } Sum getRange(int i, int j) { int indices[128]; int k = getIndices(indices, i, j); propagateRange(indices, k); Sum res = Sum(); for(; i && i + (i&-i) <= j; i += i&-i) res += sum((n+i) / (i&-i)); for(k = 0; i < j; j -= j&-j) indices[k ++] = (n+j) / (j&-j) - 1; while(-- k >= 0) res += sum(indices[k]); return res; } void set(int i, const Val &x) { int indices[128]; int k = getIndices(indices, i, i+1); propagateRange(indices, k); leafs[i] = x; mergeRange(indices, k); } void addToRange(int i, int j, const Add &x) { if(i >= j) return; int indices[128]; int k = getIndices(indices, i, j); propagateRange(indices, k); int l = i + n, r = j + n; if(l & 1) { int p = (l ++) - n; x.addToVal(leafs[p], p); } if(r & 1) { int p = (-- r) - n; x.addToVal(leafs[p], p); } for(l >>= 1, r >>= 1; l < r; l >>= 1, r >>= 1) { if(l & 1) add[l ++] += x; if(r & 1) add[-- r] += x; } mergeRange(indices, k); } private: int getIndices(int indices[], int i, int j) const { int k = 0, l, r; if(i >= j) return 0; for(l = (n + i) >> 1, r = (n + j - 1) >> 1; l != r; l >>= 1, r >>= 1) { indices[k ++] = l; indices[k ++] = r; } for(; l; l >>= 1) indices[k ++] = l; return k; } void propagateRange(int indices[], int k) { for(int i = k - 1; i >= 0; -- i) propagate(indices[i]); } void mergeRange(int indices[], int k) { for(int i = 0; i < k; ++ i) merge(indices[i]); } inline void propagate(int i) { if(i >= n) return; add[i].addToSum(nodes[i], leftpos[i], rightpos[i]); if(i * 2 < n) { add[i * 2] += add[i]; add[i * 2 + 1] += add[i]; }else { add[i].addToVal(leafs[i * 2 - n], i * 2 - n); add[i].addToVal(leafs[i * 2 + 1 - n], i * 2 + 1 - n); } add[i] = Add(); } inline void merge(int i) { if(i >= n) return; nodes[i] = sum(i * 2) + sum(i * 2 + 1); } inline Sum sum(int i) { propagate(i); return i < n ? nodes[i] : Sum(leafs[i - n], i - n); } }; int main() { int N, Q; while(~scanf("%d%d", &N, &Q)) { SegmentTree segt; segt.init(N, Val(0)); int bonusA = 0, bonusB = 0; rep(ii, Q) { int x, l, r; scanf("%d%d%d", &x, &l, &r), ++ r; if(x == 0) { Sum sum = segt.getRangeCommutative(l, r); int A = sum.cnt[1], B = sum.cnt[2]; if(A > B) bonusA += A; else if(A < B) bonusB += B; }else if(x == 1) { segt.addToRange(l, r, Add(1)); }else if(x == 2) { segt.addToRange(l, r, Add(2)); }else abort(); } Sum sum = segt.getRangeCommutative(0, N); int A = bonusA + sum.cnt[1], B = bonusB + sum.cnt[2]; cout << A << " " << B << endl; } return 0; }