結果
問題 | No.904 サメトロ |
ユーザー | Enjapma_kyopro |
提出日時 | 2019-10-11 21:35:57 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 18 ms / 1,000 ms |
コード長 | 2,839 bytes |
コンパイル時間 | 1,449 ms |
コンパイル使用メモリ | 165,140 KB |
実行使用メモリ | 7,632 KB |
最終ジャッジ日時 | 2024-05-04 01:09:25 |
合計ジャッジ時間 | 2,572 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 3 ms
7,628 KB |
testcase_01 | AC | 3 ms
7,632 KB |
testcase_02 | AC | 4 ms
7,504 KB |
testcase_03 | AC | 3 ms
7,500 KB |
testcase_04 | AC | 4 ms
7,496 KB |
testcase_05 | AC | 3 ms
7,496 KB |
testcase_06 | AC | 6 ms
7,500 KB |
testcase_07 | AC | 3 ms
7,624 KB |
testcase_08 | AC | 8 ms
7,376 KB |
testcase_09 | AC | 3 ms
7,624 KB |
testcase_10 | AC | 3 ms
7,496 KB |
testcase_11 | AC | 3 ms
7,504 KB |
testcase_12 | AC | 3 ms
7,500 KB |
testcase_13 | AC | 2 ms
7,500 KB |
testcase_14 | AC | 3 ms
7,500 KB |
testcase_15 | AC | 3 ms
7,628 KB |
testcase_16 | AC | 3 ms
7,376 KB |
testcase_17 | AC | 3 ms
7,628 KB |
testcase_18 | AC | 3 ms
7,500 KB |
testcase_19 | AC | 2 ms
7,500 KB |
testcase_20 | AC | 2 ms
7,500 KB |
testcase_21 | AC | 3 ms
7,632 KB |
testcase_22 | AC | 6 ms
7,500 KB |
testcase_23 | AC | 3 ms
7,624 KB |
testcase_24 | AC | 4 ms
7,500 KB |
testcase_25 | AC | 2 ms
7,500 KB |
testcase_26 | AC | 3 ms
7,496 KB |
testcase_27 | AC | 18 ms
7,372 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 3 ms
7,504 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 3 ms
7,372 KB |
testcase_32 | AC | 2 ms
7,496 KB |
testcase_33 | AC | 3 ms
7,500 KB |
testcase_34 | AC | 2 ms
7,504 KB |
testcase_35 | AC | 2 ms
7,372 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; long long int INF = 1e18; double Pi = 3.1415926535897932384626; //vector<ll> G[500005]; //vector<P> tree[500010]; priority_queue <ll> pql; priority_queue <P> pqp; //big priority queue priority_queue <ll,vector<ll>,greater<ll> > pqls; priority_queue <P,vector<P>,greater<P> > pqps; //small priority queue //top pop int dx[8]={1,0,-1,0,1,1,-1,-1}; int dy[8]={0,1,0,-1,1,-1,-1,1}; char dir[] = "DRUL"; //ll bit[500005]; //↓,→,↑,← #define p(x) cout<<x<<endl; #define el cout<<endl; #define pe(x) cout<<(x)<<" "; #define ps(x) cout<<fixed<<setprecision(25)<<x<<endl; #define pu(x) cout<<(x); #define pb push_back #define lb lower_bound #define ub upper_bound #define CLEAR(a) a = decltype(a)(); ll mod = 998244353; ll rui(ll number1,ll number2){ if(number2 == 0){ return 1; }else{ ll number3 = rui(number1,number2 / 2); number3 *= number3; number3 %= mod; if(number2%2==1){ number3 *= number1; number3 %= mod; } return number3; } } ll gcd(ll number1,ll number2){ if(number1 > number2){ swap(number1,number2); } if(number1 == 0 || number1 == number2){ return number2; }else{ return gcd(number2 % number1,number1); } } void YES(bool condition){ if(condition){ p("YES"); }else{ p("NO"); } return; } void Yes(bool condition){ if(condition){ p("Yes"); }else{ p("No"); } return; } //ll fact[800005],rfact[800005]; /* void c3_init(){ fact[0] = rfact[0] = 1; for(ll i=1; i<=800000; i++){ fact[i] = (fact[i-1]*i) % mod; } rfact[800000] = rui(fact[800000],mod - 2); for(ll i=800000; i>=1; i--){ rfact[i-1] = rfact[i] * i; rfact[i-1] %= mod; } return;} ll c3(ll n,ll r){ return (((fact[n] * rfact[r]) % mod) * rfact[n-r]) % mod;} */ ll n,m,num,sum,ans,a,b,c,e,g,h,w,i,j,k,q; ll t,d; ll x[500005],y[500005],z[500005]; P table[500005]; string s; ll in,out; bool solve(ll a,ll b){ //pe(a);p(b); bool ok = true; if(a > out || b > in){ ok = false; } for(int i=0;i<n-1;i++){ ll otherin,otherout; otherin = in + a - x[i]; otherout = out + b - y[i]; if(otherin < y[i] || otherout < x[i])ok = false; } return ok; } int main(){ cin >> n; if(n == 2){ p(1); return 0; } for(int i=0;i<n-1;i++){ cin >> x[i] >> y[i]; in += x[i]; out += y[i]; } if(in > out){ a = 0; b = in - out; }else{ a = out - in; b = 0; } while(1){ bool isok = solve(a, b); if(isok){ ans++; } a++; b++; if(a > out || b > in){ break; } } p(ans); return 0; }