0_0_36192588_16079.cpp: In function 'double solve()': 0_0_36192588_16079.cpp:15:22: error: invalid operands of types 'int()' and 'int' to binary 'operator%' double nx=x+k[rand%2]*T;//随T的降低,对x的改变减少 T可能增加,可能减少 ^