int main() { int n, q; scanf("%d%d", &n, &q); memset(&tree, 0, sizeof(tree)); for(int i = 1; i <= n; i++) scanf("%d", &A[i]); tree.build(1, 1, n); int k, args[20], original[20]; char cmd[100]; while(q--) { scanf("%s", cmd); // 解析输入 int len = strlen(cmd); k = 0; args[k] = 0; for(int i = 6; i < len; i++) if(isdigit(cmd[i])) args[k] = args[k] * 10 + cmd[i] - '0'; else { k++; args[k] = 0; } // 处理命令 if(cmd[0] == 'q') { qL = args[0]; qR = args[1]; printf("%d\n", tree.query(1, 1, n)); } else { for(int i = 0; i < k; i++) original[i] = A[args[i]]; for(int i = 0; i < k; i++) { p = args[i]; v = A[p] = original[(i+1)%k]; tree.update(1, 1, n); } } } return 0; }
int main() { int n, m; while(scanf("%d%d", &n, &m) == 2) { memset(&tree, 0, sizeof(tree)); while(m--) { scanf("%d", &op); if(op == 1) { scanf("%d%d", &p, &v); tree.update(1, 1, n); } else { scanf("%d%d", &qL, &qR); printf("%d\n", tree.query(1, 1, n)); } } } return 0; }