0_0_36460309_24399.cpp: In function 'void query(int, int, int, ll*)': 0_0_36460309_24399.cpp:65:82: error: 'S' was not declared in this scope sum[3] = max(max(sum1[3],sum2[3]),max(sum1[3] + sum2[0], sum1[2] + sum2[3]));S ^