제출 #1098923

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1098923		alexander_707070	팀들 (IOI15_teams)	C++14	컴파일 에러	0 ms	0 KiB

teams

#include<bits/stdc++.h>
#include "teams.h"

#define MAXN 500007
using namespace std;

struct interval{
    int l,r;

    inline friend bool operator < (interval fr,interval sc){
        return fr.r>sc.r;
    }
}s[MAXN];

bool cmp(interval fr,interval sc){
    return fr.l<sc.l;
}

priority_queue<interval> q;

int n,m,a[MAXN],b[MAXN],k[MAXN];

void init(int N, int A[], int B[]) {
//void init(int N, vector<int> A, vector<int> B) {
    n=N;
    for(int i=1;i<=n;i++){
        a[i]=A[i-1]; b[i]=B[i-1];
    }
}

int can(int M,int K[]) {
//int can(int M,vector<int> K) {
    m=M;
    for(int i=1;i<=m;i++){
        k[i]=K[i-1];
    }
    sort(k+1,k+m+1);

    int l=1,r=0;
    for(int i=1;i<=n;i++){

        int l=0,r=k+1,tt;
        while(l+1<r){
            tt=(l+r)/2;
            if(k[tt]<=b[i]){
                l=tt;
            }else{
                r=tt;
            }
        }

        s[i].r=l;

        l=0; r=k+1;
        while(l+1<r){
            tt=(l+r)/2;
            if(k[tt]>=a[i]){
                r=tt;
            }else{
                l=tt;
            }
        }

        s[i].l=r;
    }

    sort(s+1,s+n+1,cmp);
    while(!q.empty())q.pop();

    int pt=1;
    for(int i=1;i<=m;i++){
        while(pt<=n and s[pt].l<=k[i]){
            q.push(s[pt]); pt++;
        }
        
        while(!q.empty() and q.top().r<k[i])q.pop();

        for(int f=0;f<k[i];f++){
            if(q.empty())return 0;
            q.pop();
        }
    }

	return 1;
}

/*int main(){

    init(4,{1,2,2,2},{2,3,3,4});
    cout<<can(2,{1,3})<<"\n";
    cout<<can(2,{1,1})<<"\n";

	return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int can(int, int*)':
teams.cpp:42:13: warning: declaration of 'l' shadows a previous local [-Wshadow]
   42 |         int l=0,r=k+1,tt;
      |             ^
teams.cpp:39:9: note: shadowed declaration is here
   39 |     int l=1,r=0;
      |         ^
teams.cpp:42:17: warning: declaration of 'r' shadows a previous local [-Wshadow]
   42 |         int l=0,r=k+1,tt;
      |                 ^
teams.cpp:39:13: note: shadowed declaration is here
   39 |     int l=1,r=0;
      |             ^
teams.cpp:42:20: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   42 |         int l=0,r=k+1,tt;
      |                   ~^~
      |                    |
      |                    int*
teams.cpp:54:17: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   54 |         l=0; r=k+1;
      |                ~^~
      |                 |
      |                 int*
teams.cpp:39:9: warning: unused variable 'l' [-Wunused-variable]
   39 |     int l=1,r=0;
      |         ^
teams.cpp:39:13: warning: unused variable 'r' [-Wunused-variable]
   39 |     int l=1,r=0;
      |             ^