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HDU 1907 John(尼姆博弈)
Description: Little John is playing very funny game with his younger brother. There is one big box filled with M&Ms of different colors. At first...
2018-05-28
0
493
HDU 1147 Pick-up sticks(计算几何)
Description: Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to ...
2018-05-18
0
432
HDU 1086 You can Solve a Geometry Problem too(计算几何)
Description: Many geometry(几何)problems were designed in the ACM/ICPC. And now, I also prepare a geometry problem for this final exam. According to th...
2018-05-18
0
477
Codeforces Round #480 (Div. 2)
A. Links and Pearls Description: A necklace can be described as a string of links (’-’) and pearls (‘o’), with the last link or pearl connected to t...
2018-05-17
0
524
Codeforces Round #481 (Div. 3)
A. Remove Duplicates Description: Petya has an array a consisting of n integers. He wants to remove duplicate (equal) elements. Petya wants to leav...
2018-05-16
0
1280
Codeforces Round #479 (Div. 3)
A. Wrong Subtraction Description: Little girl Tanya is learning how to decrease a number by one, but she does it wrong with a number consisting of t...
2018-05-09
0
428
ZOJ 4033 CONTINUE...?
Description: DreamGrid has n classmates numbered from 1 to n. Some of them are boys and the others are girls. Each classmate has some gems, and more ...
2018-05-07
0
347
Codeforces 2C Commentator problem
Description: The Olympic Games in Bercouver are in full swing now. Here everyone has their own objectives: sportsmen compete for medals, and sport co...
2018-05-07
0
645
Codeforces 831A Unimodal Array
Description: Array of integers is unimodal, if: it is strictly increasing in the beginning; after that it is constant; after that it is stric...
2018-05-07
0
523
Codeforces 803C Maximal GCD
Description: You are given positive integer number n. You should create such strictly increasing sequence of k positive numbers ...
2018-05-07
0
368
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