Submission #1092486
Source Code Expand
#include <cstdio> #include <numeric> #include <cmath> #include <vector> #include <algorithm> using namespace std; int main() { int n; scanf("%d",&n); vector<long long> dat(n); long long ac1 = (long long)n*(long long)(n+1ll)/2; for (int i = 0; i < n; i++) { scanf("%lld",&dat[i]); } long long sum = accumulate(dat.begin(), dat.end(), 0ll); if (sum % ac1) { puts("NO"); return 0; } long long ops = sum / ac1; vector<long long> d1(n), d2(n); for (int i = 0; i < n; i++) { d1[i] = dat[(i+1)%n] - dat[i]; d1[i] -= ops; } for (int i = 0; i < n; i++) { if (d1[i] % n) { puts("NO"); return 0; } long long curcnt = -d1[i] / n; if (curcnt < 0) { puts("NO"); return 0; } ops -= curcnt; if (ops < 0){ puts("NO"); return 0; } } if (ops != 0){ puts("NO"); return 0; } puts("YES"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | kcm1700 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 902 Byte |
Status | AC |
Exec Time | 19 ms |
Memory | 2688 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:11:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&dat[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
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|
Set Name | Test Cases |
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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 | 17 ms | 2560 KB |
in10.txt | AC | 4 ms | 512 KB |
in11.txt | AC | 17 ms | 2560 KB |
in12.txt | AC | 17 ms | 2560 KB |
in13.txt | AC | 14 ms | 2176 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 | 19 ms | 2560 KB |
in20.txt | AC | 2 ms | 256 KB |
in21.txt | AC | 15 ms | 1024 KB |
in22.txt | AC | 15 ms | 1024 KB |
in23.txt | AC | 15 ms | 1024 KB |
in24.txt | AC | 3 ms | 384 KB |
in25.txt | AC | 4 ms | 512 KB |
in26.txt | AC | 16 ms | 2560 KB |
in27.txt | AC | 17 ms | 2688 KB |
in3.txt | AC | 19 ms | 2560 KB |
in4.txt | AC | 19 ms | 2560 KB |
in5.txt | AC | 19 ms | 2560 KB |
in6.txt | AC | 14 ms | 1024 KB |
in7.txt | AC | 15 ms | 1024 KB |
in8.txt | AC | 4 ms | 512 KB |
in9.txt | AC | 4 ms | 640 KB |
sample1.txt | AC | 2 ms | 256 KB |
sample2.txt | AC | 2 ms | 256 KB |
sample3.txt | AC | 2 ms | 256 KB |