Submission #638254

#	Time	Username	Problem	Language	Result	Execution time	Memory
638254		colazcy	Spiderman (COCI20_spiderman)	C++17	0 / 70	16 ms	4256 KiB

spiderman

#include <cstdio>
#include <cassert>
#include <algorithm>
#define let const auto
#define rep(name,beg,end) for(auto lim_##name = end,name = beg;name <= lim_##name;name++)
#define per(name,beg,end) for(auto lim_##name = end,name = beg;name >= lim_##name;name--)
#define repn(lim) for(auto REPN_lIM = lim,REPN = 1;REPN <= REPN_lIM;REPN++)
#define debug(...) fprintf(stderr,__VA_ARGS__)
#define trace() debug("line : %d, Function : %s\n",__LINE__,__FUNCTION__)
using ll = long long;
constexpr int maxn = 3e5 + 100,maxm = 1e6 + 100;

int n,k,val[maxn];
int f[maxm],ans[maxm];
int main(){
#ifndef ONLINE_JUDGE
    std::freopen("fufu.in","r",stdin);
#endif
    std::scanf("%d %d",&n,&k);
    rep(i,1,n)
        std::scanf("%d",val + i),
        f[val[i]]++;
    rep(i,k + 1,maxm - 1)
        for(int r = k;r < maxm;r += i)
            ans[r] += f[i];
    rep(i,1,n)
        if(val[i] < k)std::printf("%d ",0);
        else std::printf("%d ",ans[val[i]]);
    return 0;
}

Compilation message (stderr)

spiderman.cpp: In function 'int main()':
spiderman.cpp:17:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     std::freopen("fufu.in","r",stdin);
      |     ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
spiderman.cpp:19:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     std::scanf("%d %d",&n,&k);
      |     ~~~~~~~~~~^~~~~~~~~~~~~~~
spiderman.cpp:21:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         std::scanf("%d",val + i),
      |         ~~~~~~~~~~^~~~~~~~~~~~~~

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