結果
問題 | No.801 エレベーター |
ユーザー |
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提出日時 | 2019-03-17 21:56:31 |
言語 | C++11 (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 572 ms / 2,000 ms |
コード長 | 2,765 bytes |
コンパイル時間 | 966 ms |
コンパイル使用メモリ | 88,916 KB |
実行使用メモリ | 97,408 KB |
最終ジャッジ日時 | 2024-07-07 22:31:33 |
合計ジャッジ時間 | 10,593 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 26 |
ソースコード
#include <iostream>#include <cassert>#include <climits>#include <bitset>#include <stack>#include <queue>#include <iomanip>#include <limits>#include <string>#include <cmath>#include <set>#include <map>#include <math.h>#include <algorithm>#include <vector>#include <string.h>#include <tuple>using namespace std;typedef long long ll;typedef pair<ll,ll> P;long long int INF = 3e18;double Pi = 3.1415926535897932384626;vector<ll> G[500005];vector<P> tree[500010];priority_queue <ll> pql;priority_queue <P> pqp;//big priority queuepriority_queue <ll,vector<ll>,greater<ll> > pqls;priority_queue <P,vector<P>,greater<P> > pqps;//small priority queue//top popint 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 pd(x) cerr<<"//"<<(x)<<endl;#define re(i,n) for(i=0;i<n;i++);#define pb push_back#define lb lower_bound#define ub upper_bound#define deba(x) cout<< #x << " = " << x <<endlll mod = 1000000007;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 n,m,num,sum,ans,a,b,c,d,e,f,g,h,i,j,k,w,ok,ng,l,q;ll x[500005],y[500005],z[500005];ll dp[3005][3005];char s[500005],t[500005];bool flag,dame;int main(){cin >> n >> m >> k;for(i=0;i<m;i++){cin >> x[i] >> y[i];}for(i=1;i<=n;i++){dp[0][i] = 1;}for(i=1;i<=k;i++){for(j=0;j<m;j++){dp[i][y[j]] +=/* (y[j] - x[j] + 1) * */(dp[i-1][y[j]] - dp[i-1][x[j]-1] + mod);dp[i][x[j]-1] += /*(y[j] - x[j] + 1) * */(dp[i-1][x[j]-1] - dp[i-1][y[j]] + mod);dp[i][x[j]-1] += mod;dp[i][x[j]-1] %= mod;}for(j=n-1;j>=0;j--){dp[i][j] += dp[i][j+1];dp[i][j] %= mod;}for(j=1;j<=n;j++){dp[i][j] += dp[i][j-1];dp[i][j] %= mod;}}for(i=0;i<=k;i++){for(j=0;j<=n;j++){//pe(dp[i][j]);}//el;}ans = dp[k][n] - dp[k][n-1] + mod;ans %= mod;p(ans);return 0;}