#include<bits\/stdc++.h>
\nusing namespace std;
\nint main() {
\nint t;
\ncin>>t;
\nwhile(t–){
\nint n;
\ncin>>n;
\nvector <int>a(n);
\nlong long sum=0;
\nfor(auto &i:a){
\ncin>>i;
\nsum+=i;
\n}
\nlong long left_sum=0;
\nbool f=false;
\nfor(auto i:a){
\nleft_sum+=i;
\nif(left_sum==sum-left_sum){
\nf=true;
\nbreak;
\n}
\n}
\ncout<<(f?"Yes":"No")<<"\\\\n";
\n}
\nreturn 0;
\n} <\/p>\n
\u94fe\u63a5：https:\/\/bas.ssoier.cn\/problem_show.php?pid=4077<\/p>\n","protected":false},"excerpt":{"rendered":"
#include
\nusing namespace std;
\nint main() {
\nint t;
\ncin>>t;
\nwhile(t–){
\nint n;
\ncin>>n;
\nvector a(n);
\nlong long sum0;
\nfor(auto &i:a){
\ncin>>i;
\nsumi;
\n}
\nlong long left_sum0;
\nbool ffalse;
\nfor(auto i:a){
\nleft_sumi;
\nif(left_sumsum-l<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,427],"topic":[],"class_list":["post-68697","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-427"],"yoast_head":"\n