Submission #416804

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4168042021-06-03 00:33:30SirCovidThe19thGenetics (BOI18_genetics)C++14
100 / 100
723 ms47952 KiB
#include <bits/stdc++.h>
using namespace std;
long long n, m, k, idx[100], r[4105], hsh[4105][4], tot; string s[4105];
int main() {
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
cin >> n >> m >> k;
idx['A'] = 0; idx['G'] = 1; idx['C'] = 2; idx['T'] = 3;
for (int i = 0; i < n; i++){
cin >> s[i];
r[i] = uniform_int_distribution<long long>(1e3, 1e10)(rng); tot += r[i];
for (int j = 0; j < m; j++) hsh[j][idx[s[i][j]]] += r[i];
}
for (int i = 0; i < n; i++){
long long val = 0;
for (int j = 0; j < m; j++) val += tot-hsh[j][idx[s[i][j]]];
if (val == k*(tot-r[i])){ cout<<i+1; break; }
}
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

genetics.cpp: In function 'int main()':
genetics.cpp:13:55: warning: array subscript has type 'char' [-Wchar-subscripts]
   13 |         for (int j = 0; j < m; j++) hsh[j][idx[s[i][j]]] += r[i];
      |                                                       ^
genetics.cpp:17:66: warning: array subscript has type 'char' [-Wchar-subscripts]
   17 |         for (int j = 0; j < m; j++) val += tot-hsh[j][idx[s[i][j]]];
      |                                                                  ^
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