結果
問題 | No.929 よくあるボールを移動するやつ |
ユーザー |
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提出日時 | 2019-11-22 21:49:27 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 19 ms / 2,000 ms |
コード長 | 3,456 bytes |
コンパイル時間 | 1,614 ms |
コンパイル使用メモリ | 168,840 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-11 03:18:19 |
合計ジャッジ時間 | 2,560 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 12 |
ソースコード
#include <bits/stdc++.h>#include <unistd.h>using namespace std;#define DEBUG(x) cerr<<#x<<": "<<x<<endl;#define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl#define DEBUG_MAT(v) cerr<<#v<<endl;for(int i=0;i<v.size();i++){for(int j=0;j<v[i].size();j++) {cerr<<v[i][j]<<" ";}cerr<<endl;}typedef long long ll;#define int ll#define vi vector<int>#define vl vector<ll>#define vii vector< vector<int> >#define vll vector< vector<ll> >#define vs vector<string>#define pii pair<int,int>#define pis pair<int,string>#define psi pair<string,int>#define pll pair<ll,ll>template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); }template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; }#define X first#define Y second#define rep(i,n) for(int i=0;i<(n);i++)#define rep1(i,n) for(int i=1;i<=(n);i++)#define rrep(i,n) for(int i=(n)-1;i>=0;i--)#define rrep1(i,n) for(int i=(n);i>0;i--)#define REP(i,a,b) for(int i=a;i<b;i++)#define in(x, a, b) (a <= x && x < b)#define all(c) c.begin(),c.end()template<class T> bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }template<class T> bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; }#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());const ll inf = 1000000001;const ll INF = (ll)1e18 + 1;const ll MOD = 1000000007;//const ll MOD = 998244353;const double pi = 3.14159265358979323846;#define Sp(p) cout<<setprecision(15)<< fixed<<p<<endl;int dx_ori[4] = { -1,0, 1,0 }, dy_ori[4] = { 0,1,0,-1 };int dx[4] = {0, 0, 0, 0}, dy[4] = {0, 0, 0, 0};int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };#define fio() cin.tie(0); ios::sync_with_stdio(false);// #define mp make_pair//#define endl '\n'/*ll p, q, a;ll price(ll x, ll p, ll a) {return x + p * x / 100 + a;}signed main() {cin >> p >> q >> a;ll ma = 1000000000;if (p <= q) {cout << ma << endl;return 0;}if (a == 0) {if (p >= q) {cout << 0 << endl;}else {int ans = 0;rep1 (x, ma) {ll y1 = price(x, p, 0), y2 = price(x, q, a);if (y1 <= y2) ans++;}cout << ma - ans << endl;}return 0;}ll ok = 0, ng = ma + 1;while (ok + 1 < ng) {ll mid = (ok + ng) / 2;if (price(mid, p, 0) < price(mid, q, a)) {ok = mid;}else {ng = mid;}}ok = max(0LL, ok - 10000);ll ans = ok;for (ll x = ok + 1; x <= min(ma, ok + 10000); x++) {if (price(x, p, 0) < price(x, q, a)) ans++;}cout << ans << endl;}//*/signed main() {int n;cin >> n;vl b(n);rep (i, n) {cin >> b[i];}int now = 0, left = 0;ll ans = 0;rep (i, n) {while (now < i) {if (b[i] > 0) {b[i]--;ans += (i - now);now++;}else break;}if (now != i) continue;if (b[i] >= 1) {ans += left;left += b[i] - 1;now++;}else {if (left > 0) {ans += left;left--;now++;}}}cout << ans << endl;}