結果
問題 | No.1008 Bench Craftsman |
ユーザー |
![]() |
提出日時 | 2020-08-13 12:05:17 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,488 bytes |
コンパイル時間 | 1,646 ms |
コンパイル使用メモリ | 128,728 KB |
最終ジャッジ日時 | 2025-01-12 21:47:43 |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 12 WA * 7 TLE * 8 |
コンパイルメッセージ
main.cpp: In function ‘void get(std::vector<long long int>&)’: main.cpp:25:38: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 25 | void get(vll &a){re(i,a.size()) scanf("%lld",&a[i]);} | ~~~~~^~~~~~~~~~~~~~ main.cpp: In function ‘void get(std::vector<std::vector<long long int> >&)’: main.cpp:26:56: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 26 | void get(vvl &a){re(i,a.size()) re(j,a[0].size()) scanf("%lld",&a[i][j]);} | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function ‘int main(int, const char**)’: main.cpp:37:18: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 37 | ll x, w;scanf("%lld %lld", &x,&w); | ~~~~~^~~~~~~~~~~~~~~~~~~~
ソースコード
#include <iostream> #include <string> #include <vector> #include <queue> #include <deque> #include <algorithm> #include <set> #include <map> #include <bitset> #include <cmath> #include <functional> #include <iomanip> #define vll vector<ll> #define vvvl vector<vvl> #define vvl vector<vector<ll>> #define VV(a, b, c, d) vector<vector<d>>(a, vector<d>(b, c)) #define VVV(a, b, c, d) vector<vvl>(a, vvl(b, vll (c, d))); #define re(c, b) for(ll c=0;c<b;c++) #define rep(a,b,c) for(ll a=b;a<c;a++) #define all(obj) (obj).begin(), (obj).end() typedef long long int ll; typedef long double ld; using namespace std; void get(vll &a){re(i,a.size()) scanf("%lld",&a[i]);} void get(vvl &a){re(i,a.size()) re(j,a[0].size()) scanf("%lld",&a[i][j]);} void print(vll &a){re(i,a.size()) cout<<a[i]<<(i==a.size()-1?"\n":" ");} void print(vvl &a){re(i,a.size()) re(j,a[0].size())cout<<a[i][j]<<(j==a[0].size()-1?"\n":" ");} int main(int argc, char const *argv[]) { ll n, m;std::cin >> n >> m; vll a(n);get(a); //区画 人数 和 vvl d = VV(n, 0, 0, ll); re(i, m){ ll x, w;scanf("%lld %lld", &x,&w); d[x-1].push_back(w); } ll al = 0; re(i, n){ ll s = 0; for(auto e:d[i]) s += e; al += s; if(s>=a[i]){ std::cout << -1 << '\n'; return 0; } } bool g = true; re(i, n) if(a[i]<=al) g = false; if(g){ std::cout << 0 << '\n'; return 0; } //可能 ll l = 0, r = 1000000000; while(r-l>1){ ll mid = (l+r)/2; vvl q;//idx, クエリ , -1:= dowbn, -2消す //各要素について、影響を与える距離がわかる for(int i=0;i<n;i++){ for(auto e:d[i]){ ll x = e/mid; ll st; if(i<x) st = e - mid*i; else st = e%mid; q.push_back({max(i-x, 0LL), st, 0}); q.push_back({i, -1, 0}); q.push_back({i+x, -2, st}); } } sort(all(q)); ll idx = 0, s = 0, up = 0, down = 0; vll cost(n, 0); for(int i=0;i<n;i++){ ll sa = mid*(up - down); s += sa; ll sub = 0; while(idx<q.size()&&q[idx][0]==i){ if(q[idx][1]>=0) s += q[idx][1], up++; if(q[idx][1]==-1) up--, down++; if(q[idx][1]==-2) down--, sub += q[idx][2]; idx++; } cost[i] = s; s -= sub; } bool f = true; for(int i=0;i<n;i++){ if(cost[i]>=a[i]){ f = false; break; } } if(f) r = mid; else l = mid; }//l no r ok std::cout << r << '\n'; return 0; }