Submission #00361
ソースコード
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | #include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0; i<n; i++) #define reep(i,a,b) for(int i=a; i<b; i++) #define MOD 1000000007LL #define fi first #define se second using ll = long long ; using pii = pair< int , int >; using pll = pair<ll, ll>; using vint = vector< int >; using vll = vector<ll>; template < class Tp> class fenwick_tree{ std::vector<Tp> bit; public : fenwick_tree(){} explicit fenwick_tree(std:: size_t n) : bit(n + 1) {} Tp sum(std:: size_t i) const { i++; Tp s = 0; while (i){ s += bit[i]; i -= i & -i; } return s; } void add(std:: size_t i, Tp x){ i++; while (i < bit.size()){ bit[i] += x; i += i & -i; } } void clear(){ bit.clear(); } void assign(std:: size_t n){ bit.assign(n + 1, Tp()); } void swap(fenwick_tree &f){ bit.swap(f.bit); } }; int main(){ int n; cin>>n; int Q; cin>>Q; fenwick_tree< int > bit(1000010); vint v(n,0); vector<map< int , int >> ma(1000010); rep(i,Q){ int a; cin>>a; if (a==1){ int b,c; cin>>b>>c; c--; if (v[c] < b){ if (v[c]){ bit.add(v[c]/1000,-1); ma[v[c]/1000][v[c]%1000]--; if (ma[v[c]/1000][v[c]%1000]==0){ ma[v[c]/1000].erase(v[c]%1000); } } bit.add(b, 1); v[c] = b; ma[v[c]/1000][v[c]%1000]++; } } else { int b; cin>>b; int ans = bit.sum(1000010); if (b/1000) ans -= bit.sum(b/1000 - 1); // cout<<"a "<<ans<<endl; if (b/1000) for (auto x: ma[b/1000-1]){ if (x.fi > b % 1000) continue ; ans += x.se; } cout<<ans<<endl; } } } |
ステータス
項目 | データ |
---|---|
問題 | 0002 - ghoststudents |
ユーザー名 | yellow_jam |
投稿日時 | 2017-07-07 22:59:30 |
言語 | C++11 |
状態 | Wrong Answer |
得点 | 0 |
ソースコード長 | 1628 Byte |
最大実行時間 | 38 ms |
最大メモリ使用量 | 51712 KB |
セット
セット | 得点 | Cases | |
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1 | ALL | 0 / 100 | * |
テストケース
ファイル名 | 状態 | 実行時間 | メモリ使用量 | # |
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00_sample_01.in | AC | 26 ms | 51296 KB |
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01_small_01.in | AC | 30 ms | 51168 KB |
1
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01_small_02.in | AC | 27 ms | 51304 KB |
1
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01_small_03.in | AC | 28 ms | 51312 KB |
1
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01_small_04.in | WA | 21 ms | 51188 KB |
1
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01_small_05.in | AC | 24 ms | 51320 KB |
1
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01_small_06.in | AC | 24 ms | 51320 KB |
1
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01_small_07.in | WA | 23 ms | 51324 KB |
1
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01_small_08.in | AC | 29 ms | 51328 KB |
1
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01_small_09.in | WA | 24 ms | 51332 KB |
1
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01_small_10.in | WA | 22 ms | 51336 KB |
1
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02_random_01.in | WA | 24 ms | 51600 KB |
1
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02_random_02.in | WA | 28 ms | 51492 KB |
1
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02_random_03.in | WA | 28 ms | 51576 KB |
1
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02_random_04.in | WA | 24 ms | 51588 KB |
1
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02_random_05.in | WA | 31 ms | 51396 KB |
1
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02_random_06.in | WA | 38 ms | 51552 KB |
1
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02_random_07.in | WA | 25 ms | 51648 KB |
1
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02_random_08.in | WA | 28 ms | 51544 KB |
1
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02_random_09.in | WA | 28 ms | 51392 KB |
1
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02_random_10.in | WA | 28 ms | 51380 KB |
1
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02_random_11.in | WA | 31 ms | 51608 KB |
1
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02_random_12.in | WA | 27 ms | 51448 KB |
1
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02_random_13.in | WA | 27 ms | 51676 KB |
1
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02_random_14.in | WA | 34 ms | 51564 KB |
1
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02_random_15.in | WA | 25 ms | 51528 KB |
1
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02_random_16.in | WA | 27 ms | 51296 KB |
1
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02_random_17.in | WA | 26 ms | 51496 KB |
1
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02_random_18.in | WA | 26 ms | 51660 KB |
1
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02_random_19.in | WA | 26 ms | 51668 KB |
1
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02_random_20.in | WA | 25 ms | 51360 KB |
1
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02_random_21.in | WA | 28 ms | 51452 KB |
1
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02_random_22.in | WA | 23 ms | 51224 KB |
1
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02_random_23.in | WA | 24 ms | 51320 KB |
1
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02_random_24.in | WA | 24 ms | 51252 KB |
1
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02_random_25.in | WA | 25 ms | 51660 KB |
1
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02_random_26.in | WA | 30 ms | 51400 KB |
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02_random_27.in | WA | 31 ms | 51456 KB |
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02_random_28.in | WA | 32 ms | 51712 KB |
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02_random_29.in | WA | 25 ms | 51392 KB |
1
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02_random_30.in | WA | 28 ms | 51400 KB |
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03_large_01.in | WA | 26 ms | 51712 KB |
1
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03_large_02.in | WA | 27 ms | 51580 KB |
1
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03_large_03.in | WA | 29 ms | 51580 KB |
1
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03_large_04.in | WA | 25 ms | 51576 KB |
1
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03_large_05.in | WA | 25 ms | 51580 KB |
1
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03_large_06.in | WA | 34 ms | 51576 KB |
1
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03_large_07.in | WA | 29 ms | 51700 KB |
1
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03_large_08.in | WA | 29 ms | 51564 KB |
1
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03_large_09.in | WA | 30 ms | 51564 KB |
1
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03_large_10.in | WA | 29 ms | 51688 KB |
1
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