Submission #1092458
Source Code Expand
#include <bits/stdc++.h> #define LL long long #define INF 0x7FFFFFFF//or 0x3f3f3f3f ? -Wall using namespace std; template<class T> inline void read(T& x) { int f = 1; x = 0; char ch = getchar(); while (ch < '0' || ch > '9') {if (ch == '-') f = -1; ch = getchar();} while (ch >= '0' && ch <= '9') {x = x * 10 + ch - '0'; ch = getchar();} x *= f; } /*============ Header Template ============*/ const int N = 100000 + 5; int n; LL a[N]; int main() { read(n); LL sum = 0; for (int i = 1; i <= n; i++) read(a[i]), sum += a[i]; LL tmp = 1LL * n * (1 + n) / 2LL; if (sum % tmp) {printf("NO\n"); return 0;} LL w = sum / tmp, cnt = 0; a[n + 1] = a[1]; for (int i = 1; i <= n; i++) { LL tmp = a[i] - a[i + 1] + w; if (tmp % n) {printf("NO\n"); return 0;} cnt += tmp / n; } if (cnt != w) {printf("NO\n"); return 0;} printf("YES\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | cicada |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 899 Byte |
Status | WA |
Exec Time | 13 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 11 ms | 1024 KB |
in10.txt | AC | 3 ms | 256 KB |
in11.txt | WA | 13 ms | 1024 KB |
in12.txt | WA | 13 ms | 1024 KB |
in13.txt | WA | 11 ms | 896 KB |
in14.txt | AC | 2 ms | 256 KB |
in15.txt | AC | 2 ms | 256 KB |
in16.txt | AC | 2 ms | 256 KB |
in17.txt | AC | 2 ms | 256 KB |
in18.txt | AC | 2 ms | 256 KB |
in19.txt | AC | 2 ms | 256 KB |
in2.txt | AC | 13 ms | 1024 KB |
in20.txt | AC | 2 ms | 256 KB |
in21.txt | AC | 11 ms | 1024 KB |
in22.txt | AC | 11 ms | 1024 KB |
in23.txt | AC | 11 ms | 1024 KB |
in24.txt | AC | 3 ms | 256 KB |
in25.txt | AC | 3 ms | 384 KB |
in26.txt | WA | 13 ms | 1024 KB |
in27.txt | WA | 13 ms | 1024 KB |
in3.txt | AC | 13 ms | 1024 KB |
in4.txt | AC | 13 ms | 1024 KB |
in5.txt | AC | 13 ms | 1024 KB |
in6.txt | AC | 11 ms | 1024 KB |
in7.txt | AC | 11 ms | 1024 KB |
in8.txt | AC | 3 ms | 256 KB |
in9.txt | AC | 3 ms | 256 KB |
sample1.txt | AC | 2 ms | 256 KB |
sample2.txt | AC | 2 ms | 256 KB |
sample3.txt | AC | 2 ms | 256 KB |