제출 #638258

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
638258		colazcy	Spiderman (COCI20_spiderman)	C++17	70 / 70	79 ms	10124 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);
    // std::freopen("fufu.out","w",stdout);
#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)
        if(f[i])
            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]] - (k == 0));
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

spiderman.cpp: In function 'int main()':
spiderman.cpp:20:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     std::scanf("%d %d",&n,&k);
      |     ~~~~~~~~~~^~~~~~~~~~~~~~~
spiderman.cpp:22:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         std::scanf("%d",val + i),
      |         ~~~~~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 70 / 70