제출 #167753

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
167753		daniyar03	금 캐기 (IZhO14_divide)	C++14	17 / 100	64 ms	7160 KiB

divide

#include<bits/stdc++.h>
#define int long long int
using namespace std;
struct data{
    int x,g,d;
};
bool cmp(data l,data r){
    return l.x<r.x||l.x==r.x&&l.d>r.d||l.x==r.x&&l.d==r.d&&l.g>r.g;
}
data a[100001];
int n,i,l,r,gold[100001],drive[100001],mx,m;
main(){
    scanf("%lld",&n);
    for(i=1;i<=n;i++)scanf("%lld%lld%lld",&a[i].x,&a[i].g,&a[i].d);
    sort(a+1,a+1+n,cmp);
    for(i=1;i<=n;i++)gold[i]=gold[i-1]+a[i].g,drive[i]=drive[i-1]+a[i].d;
    for(i=1;i<=n;i++){
        l=i;
        r=n;
        while(l<r){
            m=(l+r+1)>>1;
            if(drive[m]-drive[i-1]>=a[m].x-a[i].x)l=m;
            else r=m-1;
        }
        mx=max(mx,gold[l]-gold[i-1]);
    }
    cout<<mx;
}

컴파일 시 표준 에러 (stderr) 메시지

divide.cpp: In function 'bool cmp(data, data)':
divide.cpp:8:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     return l.x<r.x||l.x==r.x&&l.d>r.d||l.x==r.x&&l.d==r.d&&l.g>r.g;
                     ~~~~~~~~^~~~~~~~~
divide.cpp:8:58: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
     return l.x<r.x||l.x==r.x&&l.d>r.d||l.x==r.x&&l.d==r.d&&l.g>r.g;
                                        ~~~~~~~~~~~~~~~~~~^~~~~~~~~
divide.cpp: At global scope:
divide.cpp:12:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
divide.cpp: In function 'int main()':
divide.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&n);
     ~~~~~^~~~~~~~~~~
divide.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++)scanf("%lld%lld%lld",&a[i].x,&a[i].g,&a[i].d);
                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 31
• Subtask 3: 0 / 52