Submission #1311245
Source Code Expand
#include "bits/stdc++.h" #define MOD 1000000007 #define INF 11234567890 #define in std::cin #define out std::cout #define rep(i,N) for(LL i=0;i<N;++i) typedef long long int LL; LL N, A, B; LL ans; int main() { in >> N >> A >> B; if (A > B) { out << 0 << std::endl; return 0; } if (N == 1 && A != B) { out << 0 << std::endl; return 0; } if (N == 1) { out << 1 << std::endl; return 0; } N -= 2; ans = (B - A)*(B - A) + 1 + 2 * (N - 2); out << ans << std::endl; return 0; }
Submission Info
Submission Time | |
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Task | A - A+...+B Problem |
User | Bwambocos |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 532 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 200 | ||||||
Status |
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Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | WA | 1 ms | 256 KB |
02.txt | WA | 1 ms | 256 KB |
03.txt | AC | 1 ms | 256 KB |
04.txt | AC | 1 ms | 256 KB |
05.txt | AC | 1 ms | 256 KB |
06.txt | AC | 1 ms | 256 KB |
07.txt | WA | 1 ms | 256 KB |
08.txt | WA | 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 |
s4.txt | AC | 1 ms | 256 KB |