Submission #1281492

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <map>

using namespace std;
#define DEBUG(X) cerr<<__LINE__<<" "<<#X<<": "<<X<<endl;
#define sci(x) int x;scanf("%d",&x);
#define scii(x, y) int x,y;scanf("%d%d",&x,&y);
#define REP(i,y) for(int i=0;i<(int)(y);i++)
#define REPP(i,y) for(int i=1;i<=(int)(y);i++)
map<int, int> mp;
int main() {
  scii(N,K)
  REP(i,N) {
    scii(a,b)
    mp[a] += b;
  }

  int sum=0;
  for(pair<int, int> pair : mp) {
    if (sum < K && K <= sum+pair.second) {
      printf("%d\n",pair.first);
      return 0;
    } else {
      sum += pair.first;
    }
  }
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define scii(x, y) int x,y;scanf("%d%d",&x,&y);
                                               ^
./Main.cpp:13:3: note: in expansion of macro ‘scii’
   scii(N,K)
   ^
./Main.cpp:8:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define scii(x, y) int x,y;scanf("%d%d",&x,&y);
                                               ^
./Main.cpp:15:5: note: in expansion of macro ‘scii’
     scii(a,b)
     ^

Judge Result