提出 #76680665

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ソースコード 拡げる

#include<cstdio>
#include<iostream>
#include<cmath>
#include<string>
#include<algorithm>
#include<cstring>
#include<stack>
#include<queue>
#include<map>
#include<iomanip>
#include<vector>
#include<set>
#include<deque>
#include<ctime>
#include<cstdlib>
#include<bitset>
#include<utility>
#include<climits>
using namespace std;
#define fir first
#define sec second
#define db double
#define ld long db
#define ll long long
#define ull unsigned ll
#define ui unsigned
#define i128 __int128
#define u128 unsigned i128
#define pb push_back
#define mk make_pair
#define pii pair<int,int>
#define pll pair<ll,ll>
#define wln(x) output(x),putchar(10)
#define wls(x) output(x),putchar(32)
char gc()
{
	char c=getchar();
	while(c==10 or c==13)c=getchar();
	return c;
}
template<class T>void read(T &x)
{
	x=0;bool f=0;
	char c=getchar();
	for(;!isdigit(c);c=getchar())f|=c==45;
	for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48);
	x=f?-x:x;
}
template<class T>void output(T x)
{
	if(!x)return putchar(48),void();
	if(x<0)putchar(45),x=-x;
	int num[50]={},cnt=0;
	while(x)num[++cnt]=x%10,x/=10;
	for(int i=cnt;i;--i)putchar(48|num[i]);
}
ll n,x,ans,y;
signed main()
{
	//freopen("A.in","r",stdin);freopen("A.out","w",stdout);
	read(n);
	for(int i=1;i<=n;++i)
	{
		read(x),read(y);
		ans+=max(0ll,x-y);
	}
	return output(ans),0;
}

提出情報

ジャッジ結果