View Compilation Error

0_0_38911876_9049.cpp: In function 'int main()':
0_0_38911876_9049.cpp:25:24: error: expected primary-expression before '?' token
   25 |                  f[j] >?= f[j-w[i]] + value[i];
      |                        ^
0_0_38911876_9049.cpp:25:25: error: expected primary-expression before '=' token
   25 |                  f[j] >?= f[j-w[i]] + value[i];
      |                         ^
0_0_38911876_9049.cpp:25:47: error: expected ':' before ';' token
   25 |                  f[j] >?= f[j-w[i]] + value[i];
      |                                               ^
      |                                               :
0_0_38911876_9049.cpp:25:47: error: expected primary-expression before ';' token