제출 #44708

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
44708		top34051	Worst Reporter 3 (JOI18_worst_reporter3)	C++17	12 / 100	16 ms	656 KiB

worst_reporter3

#include<bits/stdc++.h>
using namespace std;

#define ll long long
const int maxn = 1e3 + 5;

int n,q;
ll dist[maxn];

int get(ll T, ll L) {
    int l = 1, r = n, mid, pos = 0;
    while(l<=r) {
        mid = (l+r)/2;
        if(-mid + (T/dist[mid])*dist[mid] >= L) {
            pos = mid;
            l = mid+1;
        }
        else r = mid-1;
    }
    return pos;
}

int main() {
    scanf("%d%d",&n,&q);
    dist[0] = 1;
    for(int i=1;i<=n;i++) {
        scanf("%lld",&dist[i]);
        dist[i] = (ll)ceil((double)dist[i]/dist[i-1]) * dist[i-1];
    }
    while(q--) {
        ll T, L, R; int res = 0;
        scanf("%lld%lld%lld",&T,&L,&R);
        for(int i=0;i<=n;i++) {
            ll temp = -i+(T/dist[i])*dist[i];
            if(L<=temp && temp<=R) res++;
        }
        printf("%d\n",res);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

worst_reporter3.cpp: In function 'int main()':
worst_reporter3.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&q);
     ~~~~~^~~~~~~~~~~~~~
worst_reporter3.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",&dist[i]);
         ~~~~~^~~~~~~~~~~~~~~~~
worst_reporter3.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld%lld",&T,&L,&R);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 12 / 12
• Subtask 3: 0 / 81