A6821 | 「JXOI2017」加法

| 测试点编号 | $\sum n$ | $\sum m$ | |:-:|:-:|:-:| | $1$ | $\leq 20$ | $\leq 20$ | | $2$ | $\leq 20$ | $\leq 20$ | |

 $3$

| $\leq 2000$ | $\leq 2000$ | | $4$ | $\leq 2000$ | $\leq 2000$ | | $5$ | $\leq 2000$ | $\leq 2000$ | | $6$ | $\leq 2000$ | $\leq 2000$ | | $7$ | $\leq 2 \times 10^5$ | $\leq 2 \times 10^5$ | | $8$ | $\leq 2 \times 10^5$ | $\leq 2 \times 10^5$ | | $9$ | $\leq 2 \times 10^5$ | $\leq 2 \times 10^5$ | | $10$ | $\leq 2 \times 10^5$ | $\leq 2 \times 10^5$ | Migrated from original HTML table: <table><thead> <tr> <th style='text-align:center'>测试点编号</td> <th style='text-align:center'> $\sum n$ </td> <th style='text-align:center'> $\sum m$ </td> </tr></thead><tbody> <tr> <td style='text-align:center'> $1$ </td> <td rowspan="2" style='text-align:center'> $\leq 20$ </td> <td rowspan="2" style='text-align:center'> $\leq 20$ </td> </tr> <tr> <td style='text-align:center'> $2$ </td> </tr> <tr> <td style='text-align:center'><p> $3$ </p></td> <td rowspan="4" style='text-align:center'> $\leq 2000$ </td> <td rowspan="4" style='text-align:center'> $\leq 2000$ </td> </tr> <tr> <td style='text-align:center'> $4$ </td> </tr> <tr> <td style='text-align:center'> $5$ </td> </tr> <tr> <td style='text-align:center'> $6$ </td> </tr> <tr> <td style='text-align:center'> $7$ </td> <td rowspan="4" style='text-align:center'> $\leq 2 \times 10^5$ </td> <td rowspan="4" style='text-align:center'> $\leq 2 \times 10^5$ </td> </tr> <tr> <td style='text-align:center'> $8$ </td> </tr> <tr> <td style='text-align:center'> $9$ </td> </tr> <tr> <td style='text-align:center'> $10$ </td> </tr> </tbody> </table>