結果
問題 | No.928 軽減税率? |
ユーザー | edamame882 |
提出日時 | 2019-11-22 23:30:24 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,150 bytes |
コンパイル時間 | 1,681 ms |
コンパイル使用メモリ | 167,196 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-11 05:00:21 |
合計ジャッジ時間 | 2,804 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 3 ms
5,248 KB |
testcase_17 | AC | 6 ms
5,248 KB |
testcase_18 | WA | - |
testcase_19 | AC | 5 ms
5,248 KB |
testcase_20 | AC | 5 ms
5,248 KB |
testcase_21 | AC | 5 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; //repetition #define FOR(i,a,b) for(ll i=(a);i<(b);++i) #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) //container util #define all(x) (x).begin(),(x).end() //typedef typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<ll> VLL; typedef vector<VLL> VVLL; typedef vector<string> VS; typedef pair<int, int> PII; typedef pair<ll, ll> PLL; //const value //const ll MOD = 1e9 + 7; //const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1}; //const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1}; //conversion inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} inline ll toLL(string s) {ll v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} double inp,outq; ll a; bool check(double mid){ ll out = a+ (ll)((1. + outq/100.) * mid); ll in = (ll)((1.+ inp/100.) * mid); return in < out; } bool check_easy(double mid){ ll out = a+ (ll)((1. + outq/100.) * mid); ll in = (ll)( ( 1.+ (inp/100.) ) * mid - 1); return in < out; } bool check_hard(double mid){ ll out = a+ (ll)((1. + outq/100.) * mid); ll in = (ll)((1.+ ((inp + 99.)/100.) ) * mid + 1); return in < out; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cin >> inp >> outq >> a; if(inp > outq){ // easy ll ok_easy = 0; // in ga ok ll ng_easy = 1e9+1; // in ga ng while(abs(ok_easy - ng_easy ) > 1){ ll mid = (ok_easy + ng_easy) / 2; if(check_easy(mid)) ok_easy = mid; else ng_easy = mid; } // hard ll ok_hard = 0; // in ga ok ll ng_hard = 1e9+1; // in ga ng while(abs(ok_hard - ng_hard ) > 1){ ll mid = (ok_hard + ng_hard) / 2; if(check_hard(mid)) ok_hard = mid; else ng_hard = mid; } ll ans = ok_hard; FOR(i, ok_hard+1, ok_easy){ if(i < 1) continue; if(check(i)) ans++; } cout << ans << endl; }else if(inp == outq){ if(a > 0) cout << (ll)1e9 << endl; else cout << 0 << endl; }else{ cout << (ll) 1e9 << endl; } return 0; }