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treks

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Accepted problems：58 problems

4 138 139 140 275 276 277 301 302 391 392 393 676 677 1066 1101 1102 2175 2176 2177 2178 2498 2499 2500 2627 2628 2762 2763 2764 2765 3123 3124 3125 3126 3127 3141 3142 3143 3144 3145 3146 3147 3148 3149 3151 3152 3153 3154 3155 3156 3157 3158 3159 6716 8724 8726 9205 9207

Tried problems：11 problems

3 1067 1198 1200 2502 2629 2766 6717 6718 8602 12233

Authored problems：0 problem

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