結果
問題 | No.404 部分門松列 |
ユーザー | rickytheta |
提出日時 | 2016-08-05 21:20:25 |
言語 | C++11 (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 937 ms / 2,000 ms |
コード長 | 2,258 bytes |
コンパイル時間 | 2,615 ms |
コンパイル使用メモリ | 175,096 KB |
実行使用メモリ | 30,848 KB |
最終ジャッジ日時 | 2024-06-28 17:03:46 |
合計ジャッジ時間 | 12,278 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 325 ms
13,440 KB |
testcase_14 | AC | 119 ms
7,168 KB |
testcase_15 | AC | 135 ms
6,400 KB |
testcase_16 | AC | 311 ms
19,840 KB |
testcase_17 | AC | 582 ms
22,528 KB |
testcase_18 | AC | 184 ms
6,400 KB |
testcase_19 | AC | 152 ms
11,136 KB |
testcase_20 | AC | 158 ms
9,728 KB |
testcase_21 | AC | 461 ms
19,072 KB |
testcase_22 | AC | 225 ms
6,400 KB |
testcase_23 | AC | 175 ms
10,368 KB |
testcase_24 | AC | 259 ms
10,368 KB |
testcase_25 | AC | 937 ms
30,848 KB |
testcase_26 | AC | 710 ms
22,400 KB |
testcase_27 | AC | 55 ms
5,376 KB |
testcase_28 | AC | 412 ms
12,544 KB |
testcase_29 | AC | 529 ms
20,864 KB |
testcase_30 | AC | 171 ms
6,400 KB |
testcase_31 | AC | 29 ms
5,376 KB |
testcase_32 | AC | 547 ms
23,424 KB |
testcase_33 | AC | 548 ms
17,408 KB |
testcase_34 | AC | 210 ms
7,680 KB |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:56:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 56 | scanf("%d",&n); | ~~~~~^~~~~~~~~ main.cpp:57:16: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 57 | REP(i,n)scanf("%d",a+i); | ~~~~~^~~~~~~~~~ main.cpp:95:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 95 | scanf("%d",&q); | ~~~~~^~~~~~~~~ main.cpp:98:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 98 | scanf("%d%d",&x,&y); | ~~~~~^~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef int _loop_int; #define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i) #define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i) #define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i) #define DEBUG(x) cout<<#x<<": "<<x<<endl #define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl #define ALL(a) (a).begin(),(a).end() #define CHMIN(a,b) a=min((a),(b)) #define CHMAX(a,b) a=max((a),(b)) // mod const ll MOD = 1000000007ll; #define FIX(a) ((a)%MOD+MOD)%MOD // floating typedef double Real; const Real EPS = 1e-11; #define EQ0(x) (abs(x)<EPS) #define EQ(a,b) (abs(a-b)<EPS) typedef complex<Real> P; struct Fenwick { int n; vl bit; Fenwick(int _n):n(_n+1){ bit.assign(n+1,0); } void add(int a,ll w){ for(int x=a;x<=n;x+=x&-x) bit[x] += w; } ll sum(int a){ ll r=0; for(int x=a;x>0;x-=x&-x) r+=bit[x]; return r; } }; int n; int a[252521]; int main(){ scanf("%d",&n); REP(i,n)scanf("%d",a+i); // 座圧 set<int> zat; REP(i,n)zat.insert(a[i]); zat.insert(1252583025); map<int,int> mp; map<int,int> revmp; int it = 1; for(int p:zat){ mp[p] = it; revmp[it] = p; it++; } REP(i,n){ a[i] = mp[a[i]]; } Fenwick ans = Fenwick(n+10); Fenwick left = Fenwick(n+10); Fenwick mul = Fenwick(n+10); Fenwick right = Fenwick(n+10); REP(i,n)right.add(a[i],1); REP(i,n){ right.add(a[i],-1); mul.add(a[i],-(left.sum(a[i])-left.sum(a[i]-1))); ll sm = left.sum(a[i]-1) * right.sum(a[i]-1); sm += (left.sum(n+5)-left.sum(a[i])) * (right.sum(n+5)-right.sum(a[i])); sm -= mul.sum(a[i]-1); sm -= (mul.sum(n+5)-mul.sum(a[i])); // DEBUG(sm); ans.add(a[i],sm); left.add(a[i],1); mul.add(a[i],right.sum(a[i])-right.sum(a[i]-1)); } // REP(i,n+1)DEBUG(ans.sum(i)); int q; scanf("%d",&q); while(q--){ int x,y; scanf("%d%d",&x,&y); x = *zat.lower_bound(x); x = mp[x]; y = *zat.upper_bound(y); y = mp[y]-1; ll p = ans.sum(y) - ans.sum(x-1); printf("%lld\n",p); } return 0; }