Submission #991096

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Source Code Expand

#include<bits/stdc++.h>

using namespace std;
typedef unsigned int uint;
typedef long long int ll;
typedef unsigned long long int ull;

#define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;
#define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;
#define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;}
#define ALL(v) (v).begin(),(v).end()
#define BIGINT 0x7FFFFFFF
#define E107 1000000007
void printbit(int u){if(u==0)cout<<0;else{int s=0,k=0;for(;0<u;u>>=1,k++)s=(s<<1)|(u&1);for(;0<k--;s>>=1)cout<<(s&1);}}

#define TIME chrono::system_clock::now()
#define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count())

template<typename T1,typename T2>
ostream& operator <<(ostream &o,const pair<T1,T2> p){o<<"("<<p.first<<":"<<p.second<<")";return o;}

int m,n;

int day[2500];

int d_floor(int d){
    return d/5*5;
}
int d_ceil(int d){
    int r=(d+4)/5*5;
    return r%100 == 60 ? r+40 : r;
}

int main(){
    int i,j,k;
    int x,y;
    cin >> n;
    for (i=0;i<n;i++){
        scanf("%d-%d",&x,&y);
        day[d_floor(x)]++;
        day[d_ceil(y)+1]--;
    }
    
    queue<pair<int,int>> q;
    
    int b,d;
    b = -1;
    d = 0;
    for (i=0;i<=2401;i++){
        if (0<day[i]){
            if (d==0)
                k = i;
            d+=day[i];
        }else if (day[i]<0){
            d+=day[i];
            if (d==0)
                q.push(make_pair(k,i-1));
        }
    }
    
    while (!q.empty()){
        pair<int,int> p = q.front();q.pop();
        printf("%04d-%04d\n",p.first,p.second);
        
    }
    

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:40:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d-%d",&x,&y);
                             ^

Judge Result