Submission #20409

#	Time	Username	Problem	Language	Result	Execution time	Memory
20409		warning.or.kr (#35)	채점 시스템 (OJUZ11_judge)	C++98	100 / 100	46 ms	2020 KiB

judge

#include <iostream>
#include <algorithm>
#include <vector>
#include <cstring>
#include <fstream>
#include <string>
#include <map>
#include <queue>
#include <utility>
#include <stack>
#include <cstdio>
#include <cmath>
#include <set>
using namespace std;

#define in cin
#define out cout

#define REP(i,n) for(int i=0; i<n; i++)
#define REP2(i,s,e) for(int i=s; i<e; i++)
#define REPE(i,s,e) for(int i=s; i<=e; i++)
#define REPR(i,s,e) for(int i=s; i>=e; i--)

#define all(v) v.begin(), v.end()
#define pb push_back

#define ll long long
#define pii pair<int, int>

#define x first
#define y second
#define intINF 2147483647
#define llINF 9223372036854775807LL
#define MOD 1000000007

int main()
{
    int tc; scanf("%d", &tc);
    while(tc--)
    {
        ll x, y; scanf("%lld%lld", &x, &y);
        ll t = 10;
        while(t <= x) t *= 10;
        int r = 0;
        while(t+x <= y)
        {
            t *= 10;
            r++;
        }
        printf("%d\n", r);
    }

    return 0;
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:38:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int tc; scanf("%d", &tc);
                             ^
judge.cpp:41:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         ll x, y; scanf("%lld%lld", &x, &y);
                                           ^

• Subtask 1: 31 / 31
• Subtask 2: 47 / 47
• Subtask 3: 22 / 22