제출 #204464

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
204464	2020-02-25 19:58:17	14kg	줄서기 (KOI17_line)	C++11	100 / 100	287 ms	22648 KiB

line

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#include <stdio.h>
#include <vector>
#include <queue>
#include <functional>
#define N 100001
using namespace std;
int n, m, tm, ind[N], out[N];
int nn, tree[N*4];
vector<int> r[N];
priority_queue<int,vector<int>,greater<int> > Q;
int get(int lev, int l, int r, int x, int y){
    int mid=(l+r)/2;
    if(r<x || y<l) return 0;
    if(x<=l && r<=y) return tree[lev];
    return get(lev*2,l,mid,x,y)+get(lev*2+1,mid+1,r,x,y);
}
void update(int lev){
    tree[lev]++;
    if(lev>1) update(lev/2);
}
int main(){
    int m, x, y;
    scanf("%d %d",&n,&m);
    for(int i=1; i<=m; i++) {
        scanf("%d %d",&x,&y);
        r[y].push_back(x), ind[x]++;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

line.cpp: In function 'int main()':
line.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
line.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&x,&y);
         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 21 / 21
• Subtask 3: 30 / 30
• Subtask 4: 42 / 42