fork download

copy

#include <iostream>
#include <cstdlib>
#include <cmath>
#define LL long long
#define REP(a,b) for(int a=0; a<b; a++)
#define FOR(a,b,c) for(int a=b; a < c; a++)
#define FORD(a,b,c) for(int a=b-1; a >= c; a--)
using namespace std;
const int stala=1000003;
int n,suma;
LL czarne[stala+1];
int szare[stala];
int lewy(int i){return czarne[i]-czarne[i-1];}
int prawy(int i){return czarne[n]-czarne[i];}
int main()
{
    scanf("%d\n",&n);
    FOR(i,1,n+1){
        scanf("%d",&czarne[i]);
       czarne[i]+=czarne[i-1];
    }
    szare[0]=0;
    REP(i,n)
        scanf("%d",&szare[i+1]);
    sort(szare,szare+n+1);
    REP(i,n){
        if(*lower_bound(szare,szare+n+1,lewy(i)-prawy(i))==lewy(i)-prawy(i))//czy mozna wymienic
        {
            if(*lower_bound(szare,szare+n+1,2*lewy(i))==2*(lewy(i)))
            {
                printf("%d\n",i);return 0;}
        }
    }
    printf("%d\n",n);
    return 0;
}
 

prog.cpp: In function ‘int main()’:
prog.cpp:19: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘long long int*’
prog.cpp:25: error: ‘sort’ was not declared in this scope
prog.cpp:27: error: ‘lower_bound’ was not declared in this scope
prog.cpp:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
prog.cpp:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result

Standard output is empty