20 条题解
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5
/***************************************** 备注： ******************************************/ #include <queue> #include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define LL long long const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; int a[N],sum[N]; int main() { int n , m; cin >> n >> m; for(int i = 1 ; i <= n ; i++) { scanf("%d",&a[i]); a[i] += a[i-1]; } // for(int i = 1 ; i <= n ; i++) // sum[i]=sum[i-1] + a[i]; while(m--) { int l ,r ; scanf("%d%d",&l,&r); printf("%d\n",a[r] - a[l-1]); } return 0; } -
3
ts2024stu001
LV 7
@ 2025-1-26 10:03:38
#include<iomanip> #include<cstdio> #include<cmath> #include<cstring> const int N=1e7+10; const int INF=0x3f3f3f3f; int n,m,l,r,a[N],sum[N]; using namespace std; int main() { cin>>n>>m; for(int i=1;i<=n;i++) { cin>>a[i]; a[i]+=a[i-1]; } for(int i=1;i<=m;i++) { cin>>l>>r; cout<<a[r]-a[l-1]<<endl; } return 0; }-
ts2024stu008 @ 2025-1-26 11:02:26
👍
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3
/**************************** presented by xingcode ****************************/ #include<bits/stdc++.h> using namespace std; int n,m,f[1000005],x,y; int main() { cin>>n>>m; for(int i=1;i<=n;i++) { cin>>x; f[i]=f[i-1]+x; } while(m--) { cin>>x>>y; cout<<f[y]-f[x-1]<<"\n"; } return 0; } /***************************** do not copy!!! *****************************/ -
3
#include <bits/stdc++.h> using namespace std; long long a[100000001],sum[100000001]; int main(){ long long n,m,x,y; cin >> n >> m; for(long long i = 1 ; i <= n ; i++){ cin >> a[i]; sum[i] = sum[i - 1] + a[i]; } for(long long i = 1 ; i <= m ; i++){ cin >> x >> y; cout << sum[y] - sum[x - 1] << endl; } return 0; } -
2
#include<iostream> using namespace std; int a[1114514]; int sum[1114514]; int main() { int n, m; cin >> n >> m; for(int i = 1; i <= n; i++) { cin >> a[i]; sum[i] = sum[i-1] + a[i]; } for(int i = 1;i <= m; i++) { int l,r; cin >>l >> r; cout << sum[r] - sum[l-1] << endl; } return 0; } -
1
mengqingyu LV 10 @ 2025-3-8 20:01:56
made in China
#include<bits/stdc++.h> using namespace std; const int N=1e5+10; const int INF=0x3f3f3f3f; int a[N],n,m,l,r,ans; int s[N]; int main(){ cin>>n>>m; for(int i=1;i<=n;i++) cin>>a[i]; for(int i=1;i<=n;i++) s[i]=s[i-1]+a[i]; for(int i=1;i<=m;i++){ cin>>l>>r; cout<<s[r]-s[l-1]<<endl; } } -
1
最简代码
#include<bits/stdc++.h> using namespace std; const int N=1e6+10; long long a,b,c,d; int n[N],s[N]; int main(){ cin>>a>>b; for(long long i=1;i<=a;i++){ cin>>n[i]; s[i]=s[i-1]+n[i]; } for(long long i=1;i<=b;i++){ cin>>c>>d; cout<<s[d]-s[c-1]<<endl; } return 0; } -
1
#include<bits/stdc++.h> #define FOR(x,y) for(int i=x;i<=y;i++) using namespace std; const int mod = 998244353; const int N = 1e6; int n,m,l,r,a[N],b[N]; int main (){ cin >> n >> m; FOR(1,n){ cin>>a[i]; b[i]=b[i-1]+a[i]; } FOR(1,m){ cin>>l>>r; cout<<b[r]-b[l-1]<<endl; } } -
1
zengzhiyuan
LV 9
@ 2023-6-16 22:06:58
#include <bits/stdc++.h>//直接使用万能头 using namespace std; const int N = 1e6 + 10; int a[N],n,m,qzh[N]; #define int long long signed main(){ cin >> n >> m; cin >> a[0]; qzh[0] = a[0]; for(int i = 1;i < n;i++){ cin >> a[i]; qzh[i] = qzh[i - 1] + a[i]; } for(int i = 1;i <= m;i++){ int l,r; cin >> l >> r; if(l == 1) cout << qzh[r - 1]; else{ cout << qzh[r - 1] - qzh[l - 2]; } cout << endl; } } -
1
huyangxiayi LV 7 @ 2023-5-28 20:05:45
#include <bits/stdc++.h>
using namespace std;
longlonga[1000000],sum[1000000];
int main(){
int n,m,x,y;
cin >> n >> m;
for(int i = 1 ; i <= n ; i++){
cin >> a[i];
sum[i] = sum[i - 1] + a[i];
}
for(int i = 1 ; i <= m ; i++){
cin >> x >> y;
cout << sum[y] - sum[x - 1]<<endl;
}
return 0;
}``
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👀️
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1
#include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define LL long long const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; int a,sum[N],l,r; int main(){ int n,m; cin >> n >> m; for (int i=1; i<=n; i++){ cin >> a; sum[i]=sum[i-1]+a; } while(m--){ cin >> l>>r; cout << sum[r]-sum[l-1] << " "<<endl; } return 0; } -
1
#include<iostream> #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<algorithm> using namespace std; int n,sum,j,s[1000001],a[1000001]; int main() { cin>>n>>j; for(int i=1;i<=n;i++){ cin>>a[i]; s[i]=s[i-1]+a[i]; } while(j--){ int l,r; scanf("%d%d",&l,&r); cout<<s[r]-s[l-1]<<endl; } return 0; } -
1
#include <iostream> using namespace std; int a[1000005]; int main() { int n, m, x, l, r; cin >> n >> m; for (int i = 1;i <= n;i++) { cin >> x; a[i] = a[i - 1] + x;// 覆盖原数组 } for (int i = 1;i <= m;i++) { cin >> l >> r; cout << a[r] - a[l - 1] << endl; //直接代 } return 0; } -
0
2024sng008 LV 8 @ 2025-1-26 10:01:10
#include<bits/stdc++.h> using namespace std; int n,m,sum[1000005],l,r,a[10000]; int main() { cin>>n>>m; for(int i=1;i<=n;i++) { cin>>a[i]; sum[i]=sum[i-1]+a[i]; } while(m--) { cin>>l>>r; cout<<sum[r]-sum[l-1]<<"\n"; } return 0; } -
0
little bird little bird
#include<bits/stdc++.h> using namespace std; int n,m,f[1000005],x,y; int main() { cin>>n>>m; for(int i=1;i<=n;i++) { cin>>x; f[i]=f[i-1]+x; } while(m--) { cin>>x>>y; cout<<f[y]-f[x-1]<<"\n"; } return 0; } 版权费1元，违者必究-
slz罗栎晟 @ 2024-10-22 17:14:31
假的，试过，根本不行，什么人啊👎
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南风北庙 (slz罗栎晟) 网络攻击我
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-1
#include <bits/stdc++.h> using namespace std; long long a[1000001],sum[1000001]; int main(){ long long n,m,x,y; cin >> n >> m; for(long long i = 1 ; i <= n ; i++){ cin >> a[i]; sum[i] = sum[i - 1] + a[i]; } for(long long i = 1 ; i <= m ; i++){ cin >> x >> y; cout << sum[y] - sum[x - 1] << endl; } return 0; }
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-1
#include #include #include #include #include #include #include #include using namespace std; const int N=1e6+10; const int INF=0x3f3f3f3f; int n,m,a[N],s[N],x,y,ans; int main(){ cin>>n>>m; for(int i=1;i<=n;i++){ cin>>a[i]; s[i]=s[i-1]+a[i]; } while(m--){ cin>>x>>y; cout<<s[y]-s[x-1]<<endl; } return 0; }
2024sng008
LV 8
@ 2025-1-26 9:56:57
- 1