20000
3.求2-20000的完数
``` #include using namespace std; /*求解完数，数字的因数等于该数字，2-20000*/ int main() { int num = 0; for(int i =2;i<=20000;i++){ int x = i,sum=0; for(int j=1;j<x;j ......
2.1-20000内的水花仙数字
``` #include #include using namespace std; int main() { int num = 0,count=0,sum = 0; cin >> num; int x = num; while(x!=0){ x=x/10; count++; } x= num; ......
ORA-20000: Unable to set values for index xxx: does not exist or insufficient privileges
使用expdp/impdp导出导入数据时，遇到ORA-2000错误，如下所示： Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANTProcessing object type SCHEMA_EXPORT/ ......
Elasticsearch(es)查询报错：Result window is too large, from + size must be less than or equal to: [10000] but was [20000
{"error":{"root_cause":[{"type":"query_phase_execution_exception","reason":"Result window is too large, from + size must be less than or equal to: [10 ......