//123문제 3/31 전까지 목표
            //하루 최소 2문제씩!!
            // 2/1 ->> 122 문제
입출력 - 2557, 1000, 2558, 10950, 10951, 10952, 10953, 11021,
    11022, 11718, 11719, 11720, 11721, 
    2741, 2742, 2739, 1924,8393, 10818,2438,
    2439, 2440,2441, 2442, 2445, 2522,2446,
    10991, 10992
///////////////////////////////완////////////////////////////////////////
21
DP - 1463, 11726, 11727, 9095, 
    
    10844,2193
     
     11057, 9465, 2156, 11053, 11055,
     11722, 11054, 1912, 2579, 1699, 
    2133, 9461, 2225, 2011, 11052

8
정렬 - 2751, 11650, 11651, 10814, 10825, 10989, 11652, 11004
    
3
스택 - 10828, 9012, 10799, 4949, 1874

3
큐 - 10845 ,2164, 11866, 1966
1
덱 - 10866
    
7
문자열 처리 - 10808, 10809, 10820, 2743, 11655, 10824, 11656
3
기타 자료 구조 - 1406, 1158, 1168
    
18
기초 수학 - 10430, 2609, 
    
    1934, 1850, 9613, 11005, 2745, 1373, 1212, 
           2089, 11576, 1978, 1929, 11653, 10872, 1676, 2004, 6588  


////////////////////////////////2월까지//////////////////////////////


    
15
그래프 - 1260, 11724, 1707, 10451, 2331, 9466, 2667, 
        4963, 7576, 2178,2146, 1991, 11725, 1167, 1967
    
7
이분탐색/삼분탐색 - 1654, 2805, 2110, 10815, 10816, 11662, 1920
8
분할정복 - 11728, 1780, 11729, 1992, 2447, 2448, 1517, 2261
8
그리디 - 11047, 2875, 10610, 1783, 1931, 11399, 2873, 1744 
27
완전탐색 - 1476, 1107, 1451, 9095, 10819, 10971, 1697, 1963, 9019,
           1525,  2251, 2186, 3108, 5014, 1759, 2580, 1987, 6603, 
            1182, 2003, 1806, 1644, 1261, 1208, 7453, 2632, 2143