Submission #1043609

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043609		Nickpapadak	Fountain (eJOI20_fountain)	C++14	0 / 100	28 ms	4460 KiB

fountain

#include<bits/stdc++.h>
using namespace std;
#define X first
#define Y second
const unsigned int MAXN = 1e+5 +10;
pair<int, int> T[MAXN];//  (diam, capacity)
int sf[MAXN]; 
int N, Q;
int solvesort(int i, int val){
    int ans = val - sf[i];
    return max(0, ans);
}

int main(){
    scanf("%d%d",&N,&Q);
    for(int i = 1;i <=N; ++i){
        scanf("%d%d",&T[i].X, &T[i].Y);
    }
    if(is_sorted(T+1,T+N+1)){
        for(int i = N;i >=1; --i){
            sf[i] = sf[i+1] + T[i].Y;
        }
        while(Q--){
            int a, b;
            scanf("%d%d",&a,&b);
            printf("%d\n", solvesort(a,b));
        }
    }
}

Compilation message (stderr)

fountain.cpp: In function 'int main()':
fountain.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d%d",&N,&Q);
      |     ~~~~~^~~~~~~~~~~~~~
fountain.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%d%d",&T[i].X, &T[i].Y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fountain.cpp:25:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |             scanf("%d%d",&a,&b);
      |             ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40