Submission #1697055
Source Code Expand
#include<math.h> #include<string.h> #include<iostream> #include<stdio.h> #include<algorithm> #include<sstream> //istringstream stm(string); stm >> x; #define INF 2139062143 #define inf -2139062144 #define ll long long using namespace std; ll a[100005]; int main() { ll i,j; ll n; ll sum = 0; scanf("%lld",&n); for(i=0; i<n; i++) { scanf("%lld",&a[i]); sum += a[i]; } ll one = (n + 1) * n / 2; ll time = sum / one; // cout << time << "fuck" << endl; if(one * time != sum) { printf("NO\n"); return 0; } ll tot = 0; bool flag = true; for(i=0; i < n; i++) { ll cha = a[(i + 1) % n] - a[i]; ll zeng = (time - cha) / n; // cout << i << ": " << zeng << endl; if(zeng * n != time - cha) { flag = false; break; } tot += zeng; } if(!flag) { printf("NO\n"); } else { if(tot == time) { printf("YES\n"); } else { printf("NO\n"); } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | Zin__ |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 937 Byte |
Status | WA |
Exec Time | 15 ms |
Memory | 1024 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:16:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^ ./Main.cpp:18:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&a[i]); ^
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, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 14 ms | 1024 KB |
in10.txt | AC | 3 ms | 384 KB |
in11.txt | WA | 15 ms | 1024 KB |
in12.txt | WA | 15 ms | 1024 KB |
in13.txt | WA | 13 ms | 896 KB |
in14.txt | AC | 1 ms | 256 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | AC | 1 ms | 256 KB |
in17.txt | AC | 1 ms | 256 KB |
in18.txt | AC | 1 ms | 256 KB |
in19.txt | AC | 1 ms | 256 KB |
in2.txt | AC | 15 ms | 1024 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 13 ms | 1024 KB |
in22.txt | AC | 13 ms | 1024 KB |
in23.txt | AC | 13 ms | 1024 KB |
in24.txt | AC | 2 ms | 256 KB |
in25.txt | AC | 3 ms | 384 KB |
in26.txt | WA | 15 ms | 1024 KB |
in27.txt | WA | 15 ms | 1024 KB |
in3.txt | AC | 15 ms | 1024 KB |
in4.txt | AC | 15 ms | 1024 KB |
in5.txt | AC | 15 ms | 1024 KB |
in6.txt | AC | 13 ms | 1024 KB |
in7.txt | AC | 13 ms | 1024 KB |
in8.txt | AC | 3 ms | 384 KB |
in9.txt | AC | 3 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |