Submission #153948

#	Time	Username	Problem	Language	Result	Execution time	Memory
153948		georgerapeanu	Sterilizing Spray (JOI15_sterilizing)	C++11	5 / 100	5067 ms	3864 KiB

sterilizing

#include <cstdio>

using namespace std;

const int NMAX = 1e5;

int n,q,k;
int pula[NMAX + 5];

int main(){
    scanf("%d %d %d",&n,&q,&k);

    for(int i = 1;i <= n;i++){
        scanf("%d",&pula[i]);
    }

    while(q--){
        int t,a,b;
        scanf("%d %d %d",&t,&a,&b);

        if(t == 1){
            pula[a] = b;
        }
        else if(t == 2){
            for(int i = a;i <=b;i++)pula[i] /= k;
        }
        else{
            long long sum = 0;
            for(int i = a;i <=b;i++){
                sum += pula[i];
            }
            printf("%lld\n",sum);
        }
    }

    return 0;
}

Compilation message (stderr)

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&n,&q,&k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&pula[i]);
         ~~~~~^~~~~~~~~~~~~~~
sterilizing.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d",&t,&a,&b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75