Submission #168370

#TimeUsernameProblemLanguageResultExecution timeMemory
168370rzbtVještica (COCI16_vjestica)C++14
48 / 160
114 ms800 KiB
#include <bits/stdc++.h> #define mp make_pair #define pb push_back #define F first #define S second #define all(x) x.begin(),x.end() #define MAXN 17 typedef long long ll; using namespace std; int n; char s[1000006]; int svi[MAXN][28]; int dp[(1<<MAXN)+5]; vector<int> tren; int main() { scanf("%d", &n); for(int i=0;i<n;i++){ scanf("%s",s); int len=strlen(s); for(int j=0;j<len;j++) svi[i][s[j]-'a']++; dp[1<<i]=len; } for(int i=1;i<(1<<n);i++){ if(__builtin_popcount(i)==1)continue; dp[i]=INT_MAX; tren.clear(); int zajed=0,kolko=0; for(int j=0;j<n;j++){ if((1<<j)&i)tren.pb(j); } kolko=(1<<tren.size())-1; for(int j=0;j<26;j++){ int kek=22; for(auto x:tren)kek=min(kek,svi[x][j]); zajed+=kek; } for(int j = (i - 1) & i; j > 0; j = (j - 1) & i){ //printf(" %d %d %d %d\n",prvi,drugi,j,i); dp[i]=min(dp[i],dp[j]+dp[i^j]-zajed); } } printf("%d",1+dp[(1<<n)-1]); return 0; }

Compilation message (stderr)

vjestica.cpp: In function 'int main()':
vjestica.cpp:35:21: warning: variable 'kolko' set but not used [-Wunused-but-set-variable]
         int zajed=0,kolko=0;
                     ^~~~~
vjestica.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
vjestica.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",s);
         ~~~~~^~~~~~~~
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