diff options
| author | crupest <crupest@outlook.com> | 2021-03-11 23:05:14 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2021-03-11 23:05:14 +0800 |
| commit | fbf896d210c528c7a8bd499a79c189c049f8424d (patch) | |
| tree | 729ac490c31e943872f68decf20de76feb5a8c74 /works/solutions/acwing | |
| parent | bc8d6a406174fe250af4124b5156e6e86f22a9a0 (diff) | |
| download | crupest-fbf896d210c528c7a8bd499a79c189c049f8424d.tar.gz crupest-fbf896d210c528c7a8bd499a79c189c049f8424d.tar.bz2 crupest-fbf896d210c528c7a8bd499a79c189c049f8424d.zip | |
import(solutions): Add problem 1230.
Diffstat (limited to 'works/solutions/acwing')
| -rw-r--r-- | works/solutions/acwing/1230.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/works/solutions/acwing/1230.cpp b/works/solutions/acwing/1230.cpp new file mode 100644 index 0000000..958cbdd --- /dev/null +++ b/works/solutions/acwing/1230.cpp @@ -0,0 +1,36 @@ +#include <iostream>
+
+using ll = long long;
+
+const int M = 100010;
+
+int N, K;
+ll p;
+int c[M];
+ll result;
+
+int main() {
+ std::ios_base::sync_with_stdio(false);
+ std::cin.tie(nullptr);
+
+ std::cin >> N >> K;
+
+ c[0] = 1;
+
+ for (int i = 1; i <= N; i++) {
+ int a;
+ std::cin >> a;
+
+ p += a;
+
+ int r = p % K;
+
+ result += c[r];
+
+ c[r]++;
+ }
+
+ std::cout << result;
+
+ return 0;
+}
|