Statistics of Problem 1990
| Result | Num | Persent |
| Accepted | 19 | 28.79% |
| Presentation Error | 21 | 31.82% |
| Time Limit Exceed | 5 | 7.58% |
| Memory Limit Exceed | 1 | 1.52% |
| Wrong Answer | 12 | 18.18% |
| Runtime Error | 7 | 10.61% |
| Output Limit Exceed | 0 | 0.00% |
| Compile Error | 1 | 1.52% |
| Pending | 0 | 0.00% |
| Running | 0 | 0.00% |
| Judging | 0 | 0.00% |
| Judge Faild | 0 | 0.00% |
| Rejudge Pending | 0 | 0.00% |
| Total | 66 | 100.00% |
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