Submission #13634

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
13634	2015-02-26T13:44:15 Z	gs14004	Fortune Telling 2 (JOI14_fortune_telling2)	C++14	Compilation error	0 ms	0 KB

fortune_telling2

#include <cstdio>
#include <vector>
using namespace std;

vector<int> v;
int n,k;

int a[200005], b[200005], q[200005];
bool flip[200005];
int main(){
    scanf("%d %d",&n,&k);
    for (int i=0; i<n; i++) {
        scanf("%d %d",&a[i],&b[i]);
        if(a[i] > b[i]){
            swap(a[i],b[i]);
            flip[i] = 1;
        }
        v.push_back(a[i]);
        v.push_back(b[i]);
    }
    sort(v.begin(),v.end());
    v.resize(unique(v.begin(),v.end()) - v.begin());
    for (int i=0; i<n; i++) {
        a[i] = (int)(lower_bound(v.begin(),v.end(),a[i]) - v.begin());
        b[i] = (int)(lower_bound(v.begin(),v.end(),b[i]) - v.begin());
    }
    for (int i=0; i<k; i++) {
        scanf("%d",&q[i]);
        q[i] = (int)(upper_bound(v.begin(),v.end(),q[i]) - v.begin()) - 1;
    }
    for (int i=0; i<n; i++) {
        printf("%d %d\n",a[i],b[i]);
    }
    for (int i=0; i<k; i++) {
        printf("%d\n",q[i]);
    }
    for (int i=0; i<k; i++) {
        for (int j=0; j<n; j++) {
            if(b[j] >= q[i]){
                flip[j] ^= 1;
            }
            else if(a[j] >= q[i]){
                flip[j] = 1;
            }
        }
    }
    long long ret = 0;
    for (int i=0; i<n; i++) {
        if(flip[i]) ret += v[b[i]];
        else ret += v[a[i]];
    }
    printf("%lld",ret);
}

Compilation message

fortune_telling2.cpp: In function ‘int main()’:
fortune_telling2.cpp:21:27: error: ‘sort’ was not declared in this scope
     sort(v.begin(),v.end());
                           ^
fortune_telling2.cpp:22:38: error: ‘unique’ was not declared in this scope
     v.resize(unique(v.begin(),v.end()) - v.begin());
                                      ^
fortune_telling2.cpp:29:56: error: ‘upper_bound’ was not declared in this scope
         q[i] = (int)(upper_bound(v.begin(),v.end(),q[i]) - v.begin()) - 1;
                                                        ^
fortune_telling2.cpp:11:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&k);
                         ^
fortune_telling2.cpp:13:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&a[i],&b[i]);
                                   ^
fortune_telling2.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&q[i]);
                          ^