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Target Sum
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Input
Example 1
Example 2
Example 3
Example 4
Custom
nums
=
[1, 1, 1, 1, 1]
,
target
=
3
nums
±
1
±
1
±
1
±
1
±
1
target =
3
put + or - before every num, how many ways to reach 3?
algo
master
.
io
Step:
Assign + or - to every num so the expression evaluates to 3. Count the ways.
0 / 49
Input
Example 1
Example 2
Example 3
Example 4
Custom
nums
=
[1, 1, 1, 1, 1]
,
target
=
3
0 / 49
nums
±
1
±
1
±
1
±
1
±
1
target =
3
put + or - before every num, how many ways to reach 3?
algo
master
.
io
Step:
Assign + or - to every num so the expression evaluates to 3. Count the ways.
