Skip to content

Create 1513. Number of Substrings With Only 1s #934

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Chayandas07 merged 1 commit into from
Nov 16, 2025
Merged

Create 1513. Number of Substrings With Only 1s #934

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 20 additions & 0 deletions 1513. Number of Substrings With Only 1s
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
class Solution {
public:
static const int M = 1000000007;

int numSub(string s) {
long long ans = 0;
long long count1 = 0;

for (char ch : s) {
if (ch == '1') {
count1++;
ans = (ans + count1) % M;
} else {
count1 = 0;
}
}

return (int)ans;
}
};
Loading