結果
問題 | No.1687 What the Heck? |
ユーザー | deuteridayo |
提出日時 | 2021-09-24 22:04:59 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 733 ms / 2,000 ms |
コード長 | 2,008 bytes |
コンパイル時間 | 3,700 ms |
コンパイル使用メモリ | 240,224 KB |
実行使用メモリ | 17,536 KB |
最終ジャッジ日時 | 2024-07-05 10:37:55 |
合計ジャッジ時間 | 10,176 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 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 | 241 ms
8,448 KB |
testcase_08 | AC | 340 ms
10,496 KB |
testcase_09 | AC | 241 ms
8,448 KB |
testcase_10 | AC | 157 ms
6,912 KB |
testcase_11 | AC | 174 ms
7,040 KB |
testcase_12 | AC | 702 ms
17,536 KB |
testcase_13 | AC | 709 ms
17,536 KB |
testcase_14 | AC | 716 ms
17,536 KB |
testcase_15 | AC | 733 ms
17,536 KB |
testcase_16 | AC | 723 ms
17,280 KB |
testcase_17 | AC | 48 ms
5,376 KB |
testcase_18 | AC | 732 ms
17,536 KB |
testcase_19 | AC | 7 ms
5,376 KB |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> using namespace std; using namespace atcoder; using lint = long long; using ulint = unsigned long long; #define endl '\n' int const INF = 1<<30; lint const INF64 = 1LL<<61; lint const mod = 1e9+7; //long const mod = 998244353; lint ceilDiv(lint x, lint y){if(x >= 0){return (x+y-1)/y;}else{return x/y;}} lint floorDiv(lint x, lint y){if(x >= 0){return x/y;}else{return (x-y+1)/y;}} lint Sqrt(lint x){lint upper = 1e9;lint lower = 0;while(upper - lower > 0){lint mid = (1+upper + lower)/2;if(mid * mid > x){upper = mid-1;}else{lower = mid;}}return upper;} lint gcd(lint a,lint b){if(a<b)swap(a,b);if(a%b==0)return b;else return gcd(b,a%b);} lint lcm(lint a,lint b){return (a / gcd(a,b)) * b;} lint chmin(vector<lint>&v){lint ans = INF64;for(lint i:v){ans = min(ans, i);}return ans;} lint chmax(vector<lint>&v){lint ans = -INF64;for(lint i:v){ans = max(ans, i);}return ans;} double dist(double x1, double y1, double x2, double y2){return sqrt(pow(x1-x2, 2) + pow(y1-y2,2));} string toString(lint n){string ans = "";if(n == 0){ans += "0";}else{while(n > 0){int a = n%10;char b = '0' + a;string c = "";c += b;n /= 10;ans = c + ans;}}return ans;} string toString(lint n, lint k){string ans = toString(n);string tmp = "";while(ans.length() + tmp.length() < k){tmp += "0";}return tmp + ans;} vector<lint>prime;void makePrime(lint n){prime.push_back(2);for(lint i=3;i<=n;i+=2){bool chk = true;for(lint j=0;j<prime.size() && prime[j]*prime[j] <= i;j++){if(i % prime[j]==0){chk=false;break;}}if(chk)prime.push_back(i);}} struct edge{ int to; }; using graph = vector<vector<edge>>; int main(){ lint n; cin >> n; lint p[n]; map<lint,lint>mapp; for(int i =0;i<n;i++){ cin >> p[i]; mapp[p[i]] = i+1; } lint ans = 0; lint S = n * (n+1) / 2; cerr << S<<endl; for(lint i = 0;i<n;i++) { S -= mapp[n-i]; ans = max(ans, S - mapp[n-i]); cerr << S << endl; } cout << ans << endl; }