Submission #2090637
Source Code Expand
#include<bits/stdc++.h> using namespace std; void rd(int &x){ int k, m=0; x=0; for(;;){ k = getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } void wt_L(const char c[]){ int i=0; for(i=0;c[i]!='\0';i++){ putchar_unlocked(c[i]); } } template<class S, class T> inline S max_L(S a,T b){ return a>=b?a:b; } int D[100000], N; long long H[100000]; int main(){ int fg=0, i, j, k, w, y; long long sum; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=0;Lj4PdHRW<N;Lj4PdHRW++){ rd(D[Lj4PdHRW]); } } sum = 0; for(i=0;i<N;i++){ sum += D[i]; } if(sum%2==1){ fg = 1; for(i=1;i<N;i++){ if(D[i-1] < D[i]){ break; } } D[i-1]++; } reverse(D, D+N); H[0] = D[0]; for(i=1;i<N;i++){ H[i] = H[i-1] + D[i]; } w = N-1; for(i=0;i<N;i++){ while(w >= 0 && D[w] < i+1){ w--; } y =max_L(i, w); if(H[i] > (long long)(i+1)*y + H[N-1]-H[y]){ wt_L("ABSOLUTELY NO"); putchar_unlocked('\n'); return 0; } } if(fg==0){ wt_L("YES"); putchar_unlocked('\n'); } else{ wt_L("NO"); putchar_unlocked('\n'); } return 0; } // cLay varsion 20180208-1 // --- original code --- // int N, D[100000]; // ll H[100000]; // { // int i, j, k, fg = 0, w, y; // ll sum; // rd(N,D(N)); // // sum = 0; // rep(i,N) sum += D[i]; // if(sum%2==1){ // fg = 1; // rep(i,1,N) if(D[i-1] < D[i]) break; // D[i-1]++; // } // // reverse(D, D+N); // // H[0] = D[0]; // rep(i,1,N) H[i] = H[i-1] + D[i]; // // w = N-1; // rep(i,N){ // while(w >= 0 && D[w] < i+1) w--; // y = max(i,w); // if(H[i] > (ll)(i+1)*y + H[N-1]-H[y]){ // wt("ABSOLUTELY NO"); // return 0; // } // } // // if(fg==0) wt("YES"); else wt("NO"); // }
Submission Info
Submission Time | |
---|---|
Task | E - グラフの問題 |
User | LayCurse |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 2125 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 1408 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, 73.txt, 74.txt, 75.txt, 76.txt, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 3 ms | 1408 KB |
02.txt | AC | 3 ms | 1408 KB |
03.txt | AC | 3 ms | 1408 KB |
04.txt | AC | 3 ms | 1408 KB |
05.txt | AC | 3 ms | 1408 KB |
06.txt | AC | 3 ms | 1408 KB |
07.txt | AC | 3 ms | 1408 KB |
08.txt | AC | 3 ms | 1408 KB |
09.txt | AC | 4 ms | 1408 KB |
10.txt | AC | 3 ms | 1408 KB |
11.txt | AC | 3 ms | 1408 KB |
12.txt | AC | 3 ms | 1408 KB |
13.txt | AC | 3 ms | 1408 KB |
14.txt | AC | 3 ms | 1408 KB |
15.txt | AC | 3 ms | 1408 KB |
16.txt | AC | 3 ms | 1408 KB |
17.txt | AC | 3 ms | 1408 KB |
18.txt | AC | 3 ms | 1408 KB |
19.txt | AC | 3 ms | 1408 KB |
20.txt | AC | 3 ms | 1408 KB |
21.txt | AC | 3 ms | 1408 KB |
22.txt | AC | 3 ms | 1408 KB |
23.txt | AC | 3 ms | 1408 KB |
24.txt | AC | 3 ms | 1408 KB |
25.txt | AC | 3 ms | 1408 KB |
26.txt | AC | 3 ms | 1408 KB |
27.txt | AC | 3 ms | 1408 KB |
28.txt | AC | 3 ms | 1408 KB |
29.txt | AC | 3 ms | 1408 KB |
30.txt | AC | 3 ms | 1408 KB |
31.txt | AC | 3 ms | 1408 KB |
32.txt | AC | 3 ms | 1408 KB |
33.txt | AC | 3 ms | 1408 KB |
34.txt | AC | 3 ms | 1408 KB |
35.txt | AC | 3 ms | 1408 KB |
36.txt | AC | 3 ms | 1408 KB |
37.txt | AC | 3 ms | 1408 KB |
38.txt | AC | 3 ms | 1408 KB |
39.txt | AC | 3 ms | 1408 KB |
40.txt | AC | 3 ms | 1408 KB |
41.txt | AC | 3 ms | 1408 KB |
42.txt | AC | 3 ms | 1408 KB |
43.txt | AC | 3 ms | 1408 KB |
44.txt | AC | 3 ms | 1408 KB |
45.txt | AC | 3 ms | 1408 KB |
46.txt | AC | 3 ms | 1408 KB |
47.txt | AC | 3 ms | 1408 KB |
48.txt | AC | 3 ms | 1408 KB |
49.txt | AC | 3 ms | 1408 KB |
50.txt | AC | 3 ms | 1408 KB |
51.txt | AC | 3 ms | 1408 KB |
52.txt | AC | 3 ms | 1408 KB |
53.txt | AC | 3 ms | 1408 KB |
54.txt | AC | 3 ms | 1408 KB |
55.txt | AC | 3 ms | 1408 KB |
56.txt | AC | 4 ms | 1408 KB |
57.txt | AC | 3 ms | 1408 KB |
58.txt | AC | 3 ms | 1408 KB |
59.txt | AC | 3 ms | 1408 KB |
60.txt | AC | 3 ms | 1408 KB |
61.txt | AC | 3 ms | 1408 KB |
62.txt | AC | 3 ms | 1408 KB |
63.txt | AC | 3 ms | 1408 KB |
64.txt | AC | 3 ms | 1408 KB |
65.txt | AC | 3 ms | 1408 KB |
66.txt | AC | 3 ms | 1408 KB |
67.txt | AC | 3 ms | 1408 KB |
68.txt | AC | 3 ms | 1408 KB |
69.txt | AC | 3 ms | 1408 KB |
70.txt | AC | 3 ms | 1408 KB |
71.txt | AC | 1 ms | 256 KB |
72.txt | AC | 1 ms | 256 KB |
73.txt | AC | 1 ms | 256 KB |
74.txt | AC | 1 ms | 256 KB |
75.txt | AC | 1 ms | 256 KB |
76.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |