結果
問題 | No.151 セグメントフィッシング |
ユーザー | is_eri23 |
提出日時 | 2015-02-14 18:50:51 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,184 bytes |
コンパイル時間 | 1,426 ms |
コンパイル使用メモリ | 161,108 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-23 20:15:27 |
合計ジャッジ時間 | 2,560 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 3 ms
6,812 KB |
testcase_01 | AC | 4 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,940 KB |
testcase_04 | AC | 3 ms
6,944 KB |
testcase_05 | AC | 3 ms
6,940 KB |
testcase_06 | AC | 3 ms
6,944 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 5 ms
6,944 KB |
testcase_09 | AC | 6 ms
6,940 KB |
testcase_10 | AC | 5 ms
6,940 KB |
testcase_11 | AC | 5 ms
6,944 KB |
testcase_12 | AC | 11 ms
6,940 KB |
testcase_13 | AC | 11 ms
6,940 KB |
testcase_14 | AC | 11 ms
6,940 KB |
testcase_15 | AC | 11 ms
6,944 KB |
testcase_16 | AC | 11 ms
6,940 KB |
testcase_17 | AC | 9 ms
6,944 KB |
testcase_18 | AC | 10 ms
6,944 KB |
testcase_19 | AC | 12 ms
6,940 KB |
testcase_20 | AC | 13 ms
6,940 KB |
testcase_21 | AC | 11 ms
6,940 KB |
testcase_22 | AC | 11 ms
6,944 KB |
testcase_23 | WA | - |
ソースコード
/* reffered to sugim48's code (http://yukicoder.me/submissions/12211) */ #include <bits/stdc++.h> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; int N,Q; #define MAX_N ((1<<18)-1) class BIT_{ public: ll BIT[MAX_N],n; void bit_init(int n_){ n = 1; while(n < n_){ n *= 2; } for(int i = 0; i < 2 * n-1;i++){ BIT[i] = 0; } } ll sum(int i){ ll s = 0; while(i > 0){ s += BIT[i]; i -= (i & -i); } return s; } ll sum(int i, int j) { return sum(j) - sum(i); } void add(int i,int x){ i += 1; while(i <= n){ BIT[i] += x; i += (i & -i); } } }; BIT_ bitR, bitL; int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> N >> Q; const int L = 50000; bitR.bit_init(L);// <- bitL.bit_init(L);// -> int xl = 0; int xr = 25000; for (int t = 1; t <= Q; t++) { char c; int x,y; cin >> c >> x >> y; if (c == 'L') { bitL.add(xl+x,y); }else if(c == 'R'){ bitR.add(xr+x,y); }else{ ll ret = 0; ret += bitL.sum(xl+x,xl+y); ret += bitR.sum(xr+x,xr+y); cout << ret << endl; } bitR.add(xr-1,bitL.sum(xl,xl+1)); bitL.add(xl+N,bitR.sum(xr + N-1,xr+N)); xl++; xr--; } return 0; }