Submission #2399486
Source Code Expand
//diff string通过set筛选 //但是如果i和j任意选一定超时 //单调选 // #include<bits/stdc++.h> #define MAXN 200005 using namespace std; char str[MAXN]; int alp[27]; int ans; int main() { scanf("%s",str+1); int n=strlen(str+1); for(int i=1;i<=n;i++) { for(int j=0;j<=25;j++) { if(j==(str[i]-'a')) { continue; } else { ans+=alp[j]; } } alp[str[i]-'a']++; } printf("%d\n",ans+1); }
Submission Info
Submission Time | |
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Task | B - Reverse and Compare |
User | iSika |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 584 Byte |
Status | WA |
Exec Time | 7 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:13:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",str+1); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
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|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 1 ms | 256 KB |
subtask_1_02.txt | AC | 5 ms | 384 KB |
subtask_1_03.txt | AC | 1 ms | 256 KB |
subtask_1_04.txt | AC | 1 ms | 256 KB |
subtask_1_05.txt | AC | 1 ms | 256 KB |
subtask_1_06.txt | AC | 1 ms | 256 KB |
subtask_1_07.txt | AC | 2 ms | 256 KB |
subtask_1_08.txt | WA | 7 ms | 384 KB |
subtask_1_09.txt | WA | 6 ms | 384 KB |
subtask_1_10.txt | WA | 6 ms | 384 KB |
subtask_1_11.txt | WA | 7 ms | 384 KB |
subtask_1_12.txt | WA | 6 ms | 384 KB |
subtask_1_13.txt | WA | 6 ms | 384 KB |
subtask_1_14.txt | AC | 5 ms | 384 KB |
subtask_1_15.txt | WA | 5 ms | 384 KB |
subtask_1_16.txt | AC | 5 ms | 384 KB |
subtask_1_17.txt | WA | 5 ms | 384 KB |